Net Loss per Share (Details)	3 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Reconciliations of basic to diluted weighted-average common shares outstanding
Weighted-average shares used in basic computation (in shares)	34,626,000		34,452,000
Dilutive effect of stock-based awards	0	[1]	0	[1]
Weighted-average shares used in diluted computation (in shares)	34,626,000		34,452,000
Excluded NSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	377,000	[1]	523,000	[1]
Excluded restricted stock units (RSUs)
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	729,000	[1]	671,000	[1]
Excluded outside director restricted stock awards (RSAs)
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	7,000	[1]	0	[1]
Excluded stock appreciation rights (SARs)
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	730,000	[1]	730,000	[1]
Excluded options
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	0	[1]	8,000	[1]

[1] For the three months ended June 30, 2014 and 2013, the Company excluded all NSUs, RSUs, RSAs and SARs from the diluted net loss per share computation because they were antidilutive due to the net loss during the period.