Leases and Other Commitments - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Future Operating Lease Payments Due [Abstract]
2020	$ 25,908
2021	51,849
2022	43,816
2023	38,797
2024	33,990
Thereafter	84,744
Total undiscounted future lease payments	279,104
Less: Imputed interest	(28,582)
Total	$ 250,522
Future Minimum Lease Commitments Under Legacy GAAP
2020		$ 53,015
2021		47,803
2022		40,629
2023		35,915
2024		31,329
Thereafter		81,746
Total		$ 290,437

Amount of lessee's undiscounted obligation for lease payments for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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