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Earnings Per Share | 6 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share Basic earnings per share is computed based on the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed based on the weighted-average number of shares of common stock outstanding plus the effect of potentially dilutive common shares outstanding during the period using the treasury stock method, which includes stock options and restricted stock units. In loss periods, the assumed exercise of in-the-money stock options and restricted stock units has an anti-dilutive effect, and therefore these instruments are excluded from the computation of diluted earnings per share. The following table sets forth the computation of basic and diluted earnings per share:
|  | Three Months Ended September 30, |  | Six Months Ended September 30,
(In thousands, except per share data) |  | 2016 |  | 2015 |  | 2016 |  | 2015
Numerator |  |  |  |  |  |  |  |
Net income |  | $ | 32,195 |  |  | $ | 31,803 |  |  | $ | 26,664 |  |  | $ | 57,976 |
Denominator |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share — weighted average shares outstanding |  | 52,993 |  |  | 52,803 |  |  | 52,941 |  |  | 52,676 |
Dilutive effect of unvested restricted stock units and options issued to employees and directors |  | 352 |  |  | 348 |  |  | 388 |  |  | 379 |
Denominator for diluted earnings per share |  | 53,345 |  |  | 53,151 |  |  | 53,329 |  |  | 53,055 |
Earnings per Common Share: |  |  |  |  |  |  |  |  |  |
Basic net earnings per share |  | $ | 0.61 |  |  | $ | 0.60 |  |  | $ | 0.50 |  |  | $ | 1.10 |
Diluted net earnings per share |  | $ | 0.60 |  |  | $ | 0.60 |  |  | $ | 0.50 |  |  | $ | 1.09 |
For each of the three months ended September 30, 2016 and 2015, there were 0.2 million shares attributable to outstanding stock-based awards that were excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive. For each of the six months ended September 30, 2016 and 2015, there were 0.2 million shares attributable to outstanding stock-based awards that were excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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