Statements of Unaudited Condensed Consolidated Changes in Equity Statement - USD ($) $ in Millions |
Total |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Treasury Stock [Member] |
AOCI Attributable to Parent [Member] |
Noncontrolling Interest [Member] |
Balance, beginning of period (in shares) at Dec. 31, 2018 |
Ìý
|
292,600,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2018 |
$ 424.2
|
$ 37.7
|
$ 3,916.7
|
$ (3,060.2)
|
$ (186.1)
|
$ (283.9)
|
Ìý
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
(13.7)
|
Ìý
|
Ìý
|
(22.1)
|
Ìý
|
8.4
|
Ìý
|
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |
Ìý
|
1,700,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |
(10.0)
|
Ìý
|
(56.5)
|
Ìý
|
46.5
|
Ìý
|
Ìý
|
Stock Repurchased During Period, Shares |
Ìý
|
(11,500,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common Share Repurchases, Value |
(124.3)
|
Ìý
|
Ìý
|
Ìý
|
(124.3)
|
Ìý
|
Ìý
|
Dividends, Common Stock |
(14.5)
|
Ìý
|
Ìý
|
(14.5)
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Mar. 31, 2019 |
Ìý
|
282,800,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Mar. 31, 2019 |
$ 261.7
|
$ 37.7
|
3,860.2
|
(3,096.8)
|
(263.9)
|
(275.5)
|
Ìý
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common Stock, Dividends, Per Share, Declared |
$ 0.05
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period (in shares) at Dec. 31, 2018 |
Ìý
|
292,600,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2018 |
$ 424.2
|
$ 37.7
|
3,916.7
|
(3,060.2)
|
(186.1)
|
(283.9)
|
Ìý
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
$ 150.8
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock Repurchased During Period, Shares |
(24,400,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Jun. 30, 2019 |
Ìý
|
270,000,000.0
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Jun. 30, 2019 |
$ 285.6
|
$ 37.7
|
3,863.6
|
(2,952.6)
|
(391.3)
|
(271.8)
|
Ìý
|
Balance, beginning of period (in shares) at Mar. 31, 2019 |
Ìý
|
282,800,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Mar. 31, 2019 |
261.7
|
$ 37.7
|
3,860.2
|
(3,096.8)
|
(263.9)
|
(275.5)
|
Ìý
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
164.5
|
Ìý
|
Ìý
|
160.8
|
Ìý
|
3.7
|
Ìý
|
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |
Ìý
|
100,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |
4.6
|
Ìý
|
3.4
|
Ìý
|
1.2
|
Ìý
|
Ìý
|
Stock Repurchased During Period, Shares |
Ìý
|
(12,900,000)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common Share Repurchases, Value |
(128.6)
|
Ìý
|
Ìý
|
Ìý
|
(128.6)
|
Ìý
|
Ìý
|
Dividends, Common Stock |
(16.6)
|
Ìý
|
Ìý
|
(16.6)
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Jun. 30, 2019 |
Ìý
|
270,000,000.0
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Jun. 30, 2019 |
$ 285.6
|
$ 37.7
|
3,863.6
|
(2,952.6)
|
(391.3)
|
(271.8)
|
Ìý
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common Stock, Dividends, Per Share, Declared |
$ 0.05
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period (in shares) at Dec. 31, 2019 |
270,084,005
|
270,100,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2019 |
$ 357.9
|
$ 37.7
|
3,872.1
|
(2,842.4)
|
(390.7)
|
(318.8)
|
$ 0.0
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
(46.9)
|
Ìý
|
Ìý
|
(52.1)
|
Ìý
|
1.7
|
3.5
|
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |
Ìý
|
1,700,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |
2.1
|
Ìý
|
(23.6)
|
Ìý
|
25.7
|
Ìý
|
Ìý
|
Stock Issued During Period, Shares, Acquisitions |
Ìý
|
126,800,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock Issued During Period, Value, Acquisitions |
947.4
|
$ 15.9
|
601.7
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Noncontrolling Interest, Increase from Business Combination |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
329.8
|
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |
(5.5)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(5.5)
|
Dividends, Common Stock |
(24.0)
|
Ìý
|
Ìý
|
(24.0)
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Mar. 31, 2020 |
Ìý
|
398,600,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Mar. 31, 2020 |
$ 1,231.0
|
$ 53.6
|
4,450.2
|
(2,918.5)
|
(365.0)
|
(317.1)
|
327.8
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Common Stock, Dividends, Per Share, Declared |
$ 0.06
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period (in shares) at Dec. 31, 2019 |
270,084,005
|
270,100,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Dec. 31, 2019 |
$ 357.9
|
$ 37.7
|
3,872.1
|
(2,842.4)
|
(390.7)
|
(318.8)
|
0.0
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
$ (143.8)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Stock Issued During Period, Shares, Acquisitions |
Ìý
|
126,800,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Jun. 30, 2020 |
399,159,988
|
399,200,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Jun. 30, 2020 |
$ 1,118.2
|
$ 53.6
|
4,443.6
|
(3,042.5)
|
(355.9)
|
(305.9)
|
325.3
|
Balance, beginning of period (in shares) at Mar. 31, 2020 |
Ìý
|
398,600,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, beginning of period at Mar. 31, 2020 |
1,231.0
|
$ 53.6
|
4,450.2
|
(2,918.5)
|
(365.0)
|
(317.1)
|
327.8
|
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
(96.9)
|
Ìý
|
Ìý
|
(123.9)
|
Ìý
|
11.2
|
15.8
|
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |
Ìý
|
600,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |
2.5
|
Ìý
|
(6.6)
|
Ìý
|
9.1
|
Ìý
|
Ìý
|
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |
(18.3)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(18.3)
|
Dividends, Common Stock |
$ (0.1)
|
Ìý
|
Ìý
|
(0.1)
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period (in shares) at Jun. 30, 2020 |
399,159,988
|
399,200,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance, end of period at Jun. 30, 2020 |
$ 1,118.2
|
$ 53.6
|
$ 4,443.6
|
$ (3,042.5)
|
$ (355.9)
|
$ (305.9)
|
$ 325.3
|