Earnings Per Share (Tables)

9 Months Ended

Dec. 31, 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 December 31,				Nine Months Ended December 31,
	2012		2011		2012		2011
Net income	$	15,626	$	21,105	$	46,814	$	60,584
Basic net income per share:
Weighted-average shares outstanding — Basic	59,400		58,847		59,343		58,623
Basic net income per common share	$	0.26	$	0.36	$	0.79	$	1.03
Net income	$	15,626	$	21,105	$	46,814	$	60,584
Diluted net income per share:
Weighted-average shares outstanding — Basic	59,400		58,847		59,343		58,623
Effect of potentially dilutive securities	5		281		68		320
Weighted-average shares outstanding — Diluted	59,405		59,128		59,411		58,943
Diluted net income per common share	$	0.26	$	0.36	$	0.79	$	1.03