Goodwill, Other Intangible Assets and Long-Lived Assets - Schedule of Gross Carrying Amount and Accumulated Amortization (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Gross carrying value of intangible assets and accumulated amortization
Gross Carrying Amount	$ 61,807	$ 56,807
Accumulated Amortization	17,928	14,624
Tradenames and trademarks
Gross carrying value of intangible assets and accumulated amortization
Gross Carrying Amount	19,953	15,553	$ 12,953
Accumulated Amortization	0	0
Customer relationships
Gross carrying value of intangible assets and accumulated amortization
Gross Carrying Amount	39,757	39,157	$ 29,957
Accumulated Amortization	16,495	13,444
Patents
Gross carrying value of intangible assets and accumulated amortization
Gross Carrying Amount	1,164	1,164
Accumulated Amortization	825	708
Trademarks
Gross carrying value of intangible assets and accumulated amortization
Gross Carrying Amount	403	403
Accumulated Amortization	363	333
Covenant Not to Compete
Gross carrying value of intangible assets and accumulated amortization
Gross Carrying Amount	530	530
Accumulated Amortization	$ 245	$ 139