Share-Based Plans (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Number of Options [Roll Forward]
Outstanding, Number of Options, Beginning Balance (in shares)	510,541	597,322	815,930
Granted, Number of Options (in shares)	108,700	132,600	114,000
Exercised, Number of Options (in shares)	(182,378)	(11,000)	(42,577)
Forfeited/canceled, Number of Options (in shares)	(48,800)	(208,381)	(290,031)
Outstanding, Number of Options, Ending Balance (in shares)	388,063	510,541	597,322
Exercisable, Number of Options (in shares)	128,037
Weighted Average Exercise Price [Roll Forward]
Outstanding, Weighted Average Exercise Price Beginning Balance (in dollars per share)	$ 20.68	$ 24.75	$ 26.43
Granted, Weighted Average Exercise Price (in dollars per share)	$ 29.84	$ 18.79	$ 18.78
Exercised, Weighted Average Exercise Price (in dollars per share)	$ 20.03	$ 17.47	$ 16.70
Forfeited/canceled, Weighted Average Exercise Price (in dollars per share)	$ 23.87	$ 31.32	$ 28.31
Outstanding, Weighted Average Exercise Price Ending Balance (in dollars per share)	$ 23.14	$ 20.68	$ 24.75
Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 23.17
Outstanding, Weighted Average Remaining Contractual Life	4 years
Exercisable, Weighted Average Remaining Contractual Life	2 years 2 months 12 days
Outstanding, Aggregate Intrinsic Value	$ 1,737
Exercisable, Aggregate Intrinsic Value	$ 592