Segment Information - Net Sales and Long-Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Mar. 31, 2020
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	$ 1,257,158	$ 719,691	$ 2,049,052	$ 1,363,916
Property, plant and equipment, net	86,386		86,386		$ 76,119
Americas
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	542,319	296,837	898,503	590,282
Property, plant and equipment, net	23,080		23,080		26,636
EMEA
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	389,578	231,981	600,349	411,087
Property, plant and equipment, net	6,257		6,257		5,052
Asia Pacific
Net sales to unaffiliated customers and long-lived assets by geographic region
Net sales	325,261	$ 190,873	550,200	$ 362,547
Property, plant and equipment, net	$ 57,049		$ 57,049		$ 44,431