Consolidated Statements of Changes in Shareholders' Deficit - USD ($) $ in Millions |
Total |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Accumulated Deficit [Member] |
Treasury Stock [Member] |
Accumulated Other Comprehensive (loss) income [Member] |
|---|---|---|---|---|---|---|
| Beginning balance at Mar. 31, 2015 | $ (202.6) | $ 231.2 | $ 153.2 | $ (586.6) | $ 0.0 | $ (0.4) |
| Net income | 244.4 | 244.4 | ||||
| Other comprehensive income (loss) | 1.2 | 1.2 | ||||
| Stock-based compensation | 10.3 | 0.8 | 9.5 | |||
| Tax benefit from stock options exercised | 0.4 | 0.4 | ||||
| Equity awards exercised | 2.1 | 0.2 | 1.9 | |||
| Dividends declared | (258.7) | (258.7) | ||||
| Treasury stock purchased | (22.3) | (22.3) | ||||
| Treasury stock retired | 0.0 | (0.8) | (0.6) | (20.9) | 22.3 | |
| Ending balance at Mar. 31, 2016 | (225.2) | 231.4 | 164.4 | (621.8) | 0.8 | |
| Net income | 276.5 | 276.5 | ||||
| Other comprehensive income (loss) | (3.0) | (3.0) | ||||
| Stock-based compensation | 9.3 | 0.9 | 8.4 | |||
| Tax benefit from stock options exercised | 3.0 | 3.0 | ||||
| Equity awards exercised | 0.3 | 0.3 | ||||
| Dividends declared | (173.3) | (173.3) | ||||
| Treasury stock purchased | (99.8) | (99.8) | ||||
| Treasury stock retired | 0.0 | (3.2) | (2.3) | (94.3) | 99.8 | |
| Ending balance at Mar. 31, 2017 | (212.2) | 229.1 | 173.8 | (612.9) | 0.0 | (2.2) |
| Net income | 146.1 | 146.1 | ||||
| Other comprehensive income (loss) | 0.9 | 0.9 | ||||
| Stock-based compensation | 11.1 | 0.4 | 11.6 | (0.9) | ||
| Equity awards exercised | 0.2 | 0.2 | ||||
| Dividends declared | (167.6) | (167.6) | ||||
| Ending balance at Mar. 31, 2018 | $ (221.5) | $ 229.5 | $ 185.6 | $ (635.3) | $ 0.0 | $ (1.3) |
| X | ||||||||||
- Definition This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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