Acquisitions - (Other Intangible Assets) (Details) - USD ($) $ in Thousands	Jul. 05, 2020	Mar. 31, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Total intangible assets, gross amount	$ 551,259	$ 547,783
Total intangible assets, accumulated amortization	(100,653)	(92,098)
Total intangible assets, net amount	450,606	455,685
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross amount	294,732	292,155
Finite-lived intangible assets, accumulated amortization	(70,685)	(64,855)
Finite-lived intangible assets, net amount	224,047	227,300
Non-compete
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross amount	3,038	3,021
Finite-lived intangible assets, accumulated amortization	(2,824)	(2,817)
Finite-lived intangible assets, net amount	214	204
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross amount	96,536	96,047
Finite-lived intangible assets, accumulated amortization	(22,746)	(20,349)
Finite-lived intangible assets, net amount	73,790	75,698
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross amount	147,749	147,356
Indefinite-lived intangible assets, accumulated amortization	(957)	(953)
Indefinite-lived intangible assets, net amount	146,792	146,403
Finite-lived intangible assets, gross amount	8,008	8,008
Finite-lived intangible assets, accumulated amortization	(2,245)	(1,928)
Finite-lived intangible assets, net amount	5,763	6,080
Licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross amount	1,196	1,196
Finite-lived intangible assets, accumulated amortization	(1,196)	(1,196)
Finite-lived intangible assets, net amount	$ 0	$ 0