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Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments And Hedging Activities (Schedule Of Derivative Gains (Losses) Recognized In Accumulated Other Comprehensive Income) (Details)

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Derivative Instruments And Hedging Activities (Schedule Of Derivative Gains (Losses) Recognized In Accumulated Other Comprehensive Income) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý
Amount of Gain Recognized in OCI on Derivative (Effective Portion) $ 3.7 $ 1.9
Amount of Gain Reclassified from Accumulated OCI into Income (Effective Portion) 3.6 0.4
Australian Dollar Foreign Exchange Contract (Hedge Designation) [Member]
Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý
Amount of Gain Recognized in OCI on Derivative (Effective Portion) 3.0 1.9
Australian Dollar Foreign Exchange Contract (Hedge Designation) [Member] | Product Revenues [Member]
Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý
Amount of Gain Reclassified from Accumulated OCI into Income (Effective Portion) 3.1 0.2
Canadian Dollar Foreign Exchange Contracts Hedge Designation [Member]
Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý
Amount of Gain Recognized in OCI on Derivative (Effective Portion) 0.7 Ìý
Canadian Dollar Foreign Exchange Contracts Hedge Designation [Member] | Cost Of Goods Sold And Operating Expenses [Member]
Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý
Amount of Gain Reclassified from Accumulated OCI into Income (Effective Portion) 0.5 Ìý
Australian Dollar Foreign Exchange Contract (Prior to De-Designation) [Member] | Product Revenues [Member]
Ìý Ìý
Derivative Instruments, Gain (Loss) [Line Items] Ìý Ìý
Amount of Gain Reclassified from Accumulated OCI into Income (Effective Portion) Ìý $ 0.2