Other Assets - Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Obligation due from divestiture	$ 3,032	[1]	$ 3,479	[1]
Environmental receivable-net	1,144		1,033
Other	807		568
Total	$ 4,983		$ 5,080

[1] Obligation due from divestiture represents the indemnification in favor of the Company relative to a pension plan for a discontinued operation in Germany. (See Note 10).