Intangible Assets - Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 56,807	$ 56,807	$ 45,007
Accumulated Amortization	15,427	14,624	12,598
Tradenames and Trademarks [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount	15,553	15,553	12,953
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	39,157	39,157	29,957
Accumulated Amortization	14,184	13,444	11,608
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,164	1,164	1,164
Accumulated Amortization	738	708	621
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	403	403	403
Accumulated Amortization	340	333	310
Non-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	530	530	530
Accumulated Amortization	$ 165	$ 139	$ 59