Earnings Per Share (Tables)

6 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Weighted-average shares outstanding for basic and diluted net income per share

The Company provides dual presentation of “basic” and “diluted” earnings per share (“EPS”). Shares discussed below are in thousands.

	Three Months Ended September 30,				Six Months Ended September 30,
	2012		2011		2012		2011
Net income	$	15,691	$	20,496	$	31,188	$	39,479
Basic net income per share:
Weighted-average shares outstanding — Basic	59,347		58,664		59,314		58,511
Basic net income per common share	$	0.26	$	0.35	$	0.53	$	0.67
Net income	$	15,691	$	20,496	$	31,188	$	39,479
Diluted net income per share:
Weighted-average shares outstanding — Basic	59,347		58,664		59,314		58,511
Effect of potentially dilutive securities	39		341		72		391
Weighted-average shares outstanding — Diluted	59,386		59,005		59,386		58,902
Diluted net income per common share	$	0.26	$	0.35	$	0.53	$	0.67