Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Liabilities:
Contingent consideration — current	$ 180	$ 127
Contingent consideration — non-current	1,557	1,612
Recorded Value [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Corporate-owned life insurance — current		1,989
Corporate-owned life insurance — non-current	2,419	2,371
Liabilities:
Contingent consideration — current	180	127
Contingent consideration — non-current	1,557	1,612
Active markets for identical assets or liabilities (Level 1) [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Corporate-owned life insurance — non-current	0	0
Liabilities:
Contingent consideration — current	0
Contingent consideration — non-current	0
Quoted prices in similar instruments and observable inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Corporate-owned life insurance — non-current	0	0
Liabilities:
Contingent consideration — current	0
Contingent consideration — non-current	0
Active markets for unobservable inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Corporate-owned life insurance — current		1,989
Corporate-owned life insurance — non-current	2,419	2,371
Liabilities:
Contingent consideration — current	180	127
Contingent consideration — non-current	$ 1,557	$ 1,612