Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Finite Lived Intangible Assets [Line Items]
Amortization of other intangibles			$ 17,350	$ 16,953
Customer relations, trade name and contracts [Member] | Operating Expense [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of other intangibles	$ 1,956	$ 2,568	6,015	7,889
Computer Software, Intangible Asset | Cost of revenue [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of other intangibles	$ 4,127	$ 3,007	$ 11,335	$ 9,064