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Earnings Per Share | 6 Months Ended
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Dec. 31, 2011
Earnings Per Share [Abstract] |
Earnings Per Share |
3. | EARNINGS PER SHARE
The following table sets forth the computation of basic and diluted earnings per share:
|  | Three Months Ended December 31, |  |  | Six Months Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 20,038 |  |  | $ | 16,267 |  |  | $ | 31,728 |  |  | $ | 25,362 |
Denominator (in thousands): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share - weighted average shares outstanding during the period |  |  | 44,158 |  |  |  | 42,929 |  |  |  | 44,044 |  |  |  | 42,876 |
Effect of dilutive stock options and unvested restricted stock |  |  | 1,494 |  |  |  | 1,405 |  |  |  | 1,460 |  |  |  | 1,250 |
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions |  |  | 45,652 |  |  |  | 44,334 |  |  |  | 45,504 |  |  |  | 44,126 |
Basic net income per share |  | $ | 0.45 |  |  | $ | 0.38 |  |  | $ | 0.72 |  |  | $ | 0.59 |
Diluted net income per share |  | $ | 0.44 |  |  | $ | 0.37 |  |  | $ | 0.70 |  |  | $ | 0.57 |
Basic earnings per share excludes the dilutive effects of stock options and unvested restricted stock. Diluted earnings per share includes only the dilutive effects of common stock equivalents such as stock options and unvested restricted stock awards. Anti-dilutive stock options, restricted stock and restricted stock units totaling 113 and 653 for the three months and 57 and 954 for the six months ended December 31, 2011 and 2010, respectively, were excluded from our earnings per share calculations.

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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 2 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1252-109256 Reference 2: 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=6945512&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: 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=6920599&loc=d3e1278-109256 Reference 5: 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 6: 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=6880815&loc=d3e20235-122688 + Details
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