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Shareholders Equity (Notes) | 6 Months Ended
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Jun. 30, 2020
Shareholders' Equity [Abstract] |
Shareholders' Equity and Share-based Payments [Text Block] | Shareholders' Equity Activity in our various shareholders' equity accounts for the three and six months ended June 30, 2020 and 2019 were as follows (in millions, except per share amounts):
| Shares |  | Par Value |  | Additional Paid-in Capital |  | Retained Earnings (Deficit) |  | AOCI |  | Treasury Shares |  | Non-controlling Interest
BALANCE, December 31, 2019 | 205.9 |  |  | $ | 82.5 |  |  | $ | 8,627.8 |  |  | $ | 671.7 |  |  | $ | 6.2 |  |  | $ | (77.3 | ) |  | $ | (1.3 | )
Net loss | — |  |  | — |  |  | — |  |  | (3,006.3 | ) |  | — |  |  | — |  |  | (1.4 | )
Shares issued under share-based compensation plans, net | — |  |  | — |  |  | (.7 | ) |  | — |  |  | — |  |  | .9 |  |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (.9 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 7.8 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive loss | — |  |  | — |  |  | — |  |  | — |  |  | (13.4 | ) |  | — |  |  | — |
BALANCE, March 31, 2020 | 205.9 |  |  | $ | 82.5 |  |  | $ | 8,634.9 |  |  | $ | (2,334.6 | ) |  | $ | (7.2 | ) |  | $ | (77.3 | ) |  | $ | (2.7 | )
Net loss | — |  |  | — |  |  | — |  |  | (1,107.4 | ) |  | — |  |  | — |  |  | (1.4 | )
Shares issued under share-based compensation plans, net | .2 |  |  | .1 |  |  | (.7 | ) |  | — |  |  | — |  |  | .6 |  |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (.1 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 5.7 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive loss | — |  |  | — |  |  | — |  |  | — |  |  | (6.1 | ) |  | — |  |  | — |
Distributions to noncontrolling interests | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (.9 | )
BALANCE, June 30, 2020 | 206.1 |  |  | $ | 82.6 |  |  | $ | 8,639.9 |  |  | $ | (3,442.0 | ) |  | $ | (13.3 | ) |  | $ | (76.8 | ) |  | $ | (5.0 | )
| Shares |  | Par Value |  | Additional Paid-in Capital |  | Retained Earnings |  | AOCI |  | Treasury Shares |  | Non-controlling Interest
BALANCE, December 31, 2018 | 115.2 |  |  | $ | 46.2 |  |  | $ | 7,225.0 |  |  | $ | 874.2 |  |  | $ | 18.2 |  |  | $ | (72.2 | ) |  | $ | (2.6 | )
Net loss | — |  |  | — |  |  | — |  |  | (190.4 | ) |  | — |  |  | — |  |  | 2.4 |
Dividends paid ($0.04 per share) | — |  |  | — |  |  | — |  |  | (4.5 | ) |  | — |  |  | — |  |  | — |
Shares issued under share-based compensation plans, net | — |  |  | — |  |  | (.1 | ) |  | — |  |  | — |  |  | .1 |  |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (2.8 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 5.3 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive income | — |  |  | — |  |  | — |  |  | — |  |  | 1.5 |  |  | — |  |  | — |
BALANCE, March 31, 2019 | 115.2 |  |  | $ | 46.2 |  |  | $ | 7,230.2 |  |  | $ | 679.3 |  |  | $ | 19.7 |  |  | $ | (74.9 | ) |  | $ | (0.2 | )
Net income | — |  |  | — |  |  | — |  |  | 405.5 |  |  | — |  |  | — |  |  | 1.8 |
Equity issuance in connection with the Rowan Transaction | 88.0 |  |  | 35.2 |  |  | 1,367.5 |  |  | — |  |  | — |  |  | .1 |  |  | — |
Shares issued under share-based compensation plans, net | 2.6 |  |  | 1.1 |  |  | (1.1 | ) |  | — |  |  | — |  |  | (.8 | ) |  | — |
Repurchase of shares | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (1.4 | ) |  | — |
Share-based compensation cost | — |  |  | — |  |  | 13.8 |  |  | — |  |  | — |  |  | — |  |  | — |
Net other comprehensive income | — |  |  | — |  |  | — |  |  | — |  |  | .2 |  |  | — |  |  | — |
BALANCE, June 30, 2019 | 205.8 |  |  | $ | 82.5 |  |  | $ | 8,610.4 |  |  | $ | 1,084.8 |  |  | $ | 19.9 |  |  | $ | (77.0 | ) |  | $ | 1.6 |

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- Definition The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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- Definition Shareholders' Equity [Abstract] + References No definition available. + Details
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