Debt And Credit Facilities (Schedule Of Long-Term Debt) (Detail)
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9 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||||||
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Sep. 30, 2012
USD ($)
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Dec. 31, 2011
USD ($)
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Sep. 30, 2012
$1.25 Billion Term Loan [Member]
USD ($)
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Dec. 31, 2011
$1.25 Billion Term Loan [Member]
USD ($)
|
Sep. 30, 2012
$700 Million 4.875% 2021 Senior Notes [Member]
USD ($)
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Dec. 31, 2011
$700 Million 4.875% 2021 Senior Notes [Member]
USD ($)
|
Sep. 30, 2012
$500 Million 4.80% 2020 Senior Notes [Member]
USD ($)
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Dec. 31, 2011
$500 Million 4.80% 2020 Senior Notes [Member]
USD ($)
|
Sep. 30, 2012
$800 Million 6.25% 2040 Senior Notes [Member]
USD ($)
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Dec. 31, 2011
$800 Million 6.25% 2040 Senior Notes [Member]
USD ($)
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Sep. 30, 2012
$400 Million 5.90% 2020 Senior Notes [Member]
USD ($)
|
Dec. 31, 2011
$400 Million 5.90% 2020 Senior Notes [Member]
USD ($)
|
Sep. 30, 2012
Series 2008A - Tranche A [Member]
USD ($)
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Dec. 31, 2011
Series 2008A - Tranche A [Member]
USD ($)
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Sep. 30, 2012
Series 2008A - Tranche B [Member]
USD ($)
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Dec. 31, 2011
Series 2008A - Tranche B [Member]
USD ($)
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Sep. 30, 2012
Revolving Loan [Member]
USD ($)
|
Dec. 31, 2011
Revolving Loan [Member]
USD ($)
|
Sep. 30, 2012
Short-term Debt [Member]
USD ($)
|
Sep. 30, 2012
Short-term Debt [Member]
AUD
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Sep. 30, 2012
Letter of Credit [Member]
USD ($)
|
Dec. 31, 2011
Letter of Credit [Member]
USD ($)
|
Sep. 30, 2012
Senior Notes - $400 Million [Member]
USD ($)
|
Sep. 30, 2012
Carrying Value [Member]
USD ($)
|
Dec. 31, 2011
Carrying Value [Member]
USD ($)
|
Dec. 31, 2011
Carrying Value [Member]
Senior Notes - $400 Million [Member]
USD ($)
|
Sep. 30, 2012
Carrying Value [Member]
Senior Notes - $700 Million [Member]
USD ($)
|
Dec. 31, 2011
Carrying Value [Member]
Senior Notes - $700 Million [Member]
USD ($)
|
Sep. 30, 2012
Carrying Value [Member]
Revolving Loan [Member]
USD ($)
|
Dec. 31, 2011
Carrying Value [Member]
Revolving Loan [Member]
USD ($)
|
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Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Type | Ìý | Ìý | Variable | Variable | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | Variable | Variable | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Annual Effective Interest Rate | Ìý | Ìý | 1.60% | 1.40% | 4.88% | 4.88% | 4.80% | 4.80% | 6.25% | 6.25% | 5.90% | 5.90% | 6.31% | 6.31% | 6.59% | 6.59% | 1.47% | 0.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Final Maturity | Ìý | Ìý | 2016 | 2016 | 2021 | 2021 | 2020 | 2020 | 2040 | 2040 | 2020 | 2020 | 2013 | 2013 | 2015 | 2015 | 2016 | 2016 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Total Face Amount | $ 5,397,100,000 | $ 5,447,000,000 | $ 922,100,000 | $ 972,000,000 | $ 700,000,000 | $ 700,000,000 | $ 500,000,000 | $ 500,000,000 | $ 800,000,000 | $ 800,000,000 | $ 400,000,000 | $ 400,000,000 | $ 270,000,000 | $ 270,000,000 | $ 55,000,000 | $ 55,000,000 | $ 1,750,000,000 | $ 1,750,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Senior notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 499,100,000 | Ìý | 790,200,000 | Ìý | Ìý | Ìý | 270,000,000 | Ìý | 55,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 398,200,000 | Ìý | Ìý | 398,000,000 | 699,400,000 | 699,300,000 | Ìý | Ìý |
Long-term Debt, Gross | 3,884,000,000 | 3,683,500,000 | 922,100,000 | 972,000,000 | Ìý | Ìý | Ìý | 499,100,000 | Ìý | 790,100,000 | Ìý | Ìý | Ìý | 270,000,000 | Ìý | 55,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Long-term Debt, Current Maturities | 369,700,000 | 74,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Long term debt noncurrent portion | 3,514,300,000 | 3,608,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 3,514,300,000 | 3,608,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Amount of term loan paid down | Ìý | Ìý | 327,900,000 | 278,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Term Loan Original Amount | 1,250,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Current debt | Ìý | Ìý | 99,700,000 | 74,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Unamortized discount | Ìý | Ìý | Ìý | Ìý | 600,000 | 700,000 | 900,000 | 900,000 | 9,800,000 | 9,900,000 | 1,800,000 | 2,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Imputed interest rate | Ìý | Ìý | Ìý | Ìý | 4.89% | Ìý | 4.83% | Ìý | 6.38% | Ìý | 5.98% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Revolving loans drawn | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (250,000,000) | 0 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Credit facility, amount outstanding | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (23,100,000) | (23,500,000) | (25,800,000) | (24,900,000) | (97,600,000) | (95,000,000) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (250,000,000) | 0 |
Credit facility remaining capacity | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,480,000,000 | 1,730,000,000 | 15,700,000 | 15,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt to earnings ratio | 3.5 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
EBITDA to interest expense | 2.5 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Credit facility, amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 41,500,000 | 40,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturities in 2012 | 24,900,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturities in 2013 | 369,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturities in 2014 | 124,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturities in 2015 | 428,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturities in 2016 | 299,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt maturities after 2016 | $ 2,400,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |