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Stockholders' Equity (Tables) | 9 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
Schedule of Stock Options, Valuation Assumptions | The following table presents the weighted-average valuation assumptions used for the recognition of stock-based compensation expense for the FY 2018 LTIP NQSOs granted:
Expected life (in years) | 4.9 |
Expected volatility | 38.73 | %
Risk free interest rate | 1.78 | %
Dividend yield | — | %
Weighted-average exercise price | $ | 69.29 |
Weighted-average option value | $ | 25.03 |
Schedule of Stockholders Equity | The following is a reconciliation of the Company's retained earnings as of December 31, 2017:
Balance as of March 31, 2017 | $ | 819,589 |
Net income | 93,779 |
Repurchase of common stock* | (24,683 | )
Cumulative unrecognized excess tax benefit** | 1,365 |
Balance as of December 31, 2017 | $ | 890,050 |
*The remaining amount of 360,735 shares at par value $0.01 per share included in the total purchase price of $24,687, was recorded in common stock during the nine months ended December 31, 2017.

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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