Net Loss per Share (Additional Information) (Details) - shares	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Reconciliations of basic to diluted weighted-average common shares outstanding
Weighted-average shares used in basic computation	32,024,000	33,117,000
Dilutive effect of stock-based awards	0	0
Weighted-average shares used in diluted computation	32,024,000	33,117,000
Excluded NSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	267,000	487,000
Excluded RSUs
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	396,000	487,000
Restricted Stock
Options excluded in the computation of diluted income per share
Options excluded in the computation of diluted income per share (in shares)	10,000	8,000
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)	600,000	700,000