Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Reconciliation of Components Used to Derive Basic and Diluted EPS (Detail)

v3.2.0.727
Earnings Per Share - Reconciliation of Components Used to Derive Basic and Diluted EPS (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Income from continuing operations, net of tax $ 13,984 $ 11,509 $ 25,038 $ 22,477
Income from discontinued operations, net of tax 0 (467) 0 (444)
Net income $ 13,984 $ 11,042 $ 25,038 $ 22,033
Basic EPS, weighted average shares 31,774,692 31,681,033 31,761,067 31,670,436
Income from continuing operations, net of taxes (in usd per share) $ 0.44 $ 0.36 $ 0.79 $ 0.71
Income from discontinued operations, net of tax (in usd per share) 0.00 (0.01) 0.00 (0.01)
Basic earnings per share (in usd per share) $ 0.44 $ 0.35 $ 0.79 $ 0.70
Effect of dilutive securities - options and unvested restricted stock 134,027 293,220 113,417 279,877
Diluted EPS, weighted average shares 31,908,719 31,974,253 31,874,484 31,950,313
Income from continuing operations, net of tax (in usd per share) $ 0.44 $ 0.36 $ 0.79 $ 0.70
Income from discontinued operations, net of tax (in usd per share) 0.00 (0.01) 0.00 (0.01)
Diluted earnings per share (in usd per share) $ 0.44 $ 0.35 $ 0.79 $ 0.69