Goodwill and Other Intangible Assets, net (Tables)

6 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill, including from the Company’s formation and acquisitions occurring prior to fiscal 2017, on a consolidated basis for fiscal 2017, fiscal 2018, and fiscal 2019 consist of the following (in thousands):

	March 31,
	2018		2019
Balance, beginning of year	$	1,251,155	$	1,270,937
Goodwill from acquisitions	18,741		—
Foreign currency impact	1,041		(817		)
Balance, end of year	$	1,270,937	$	1,270,120

Changes in the carrying amount of goodwill on a consolidated basis for the six months ended September 30, 2019 consist of the following (in thousands):

	September 30, 2019
Balance, beginning of period	$	1,270,120
Foreign currency impact	43
Balance, end of period	$	1,270,163

Schedule of Intangible Assets

Intangible assets, net excluding goodwill consist of (in thousands):

	Weighted Average Useful Life (in months)	March 31,
		2018			2019
Capitalized software	109	$	186,808		$	188,608
Customer relationships	120	351,555			351,555
Trademarks and tradenames	120	55,003			55,003
Total intangible assets		593,366			595,166
Less: accumulated amortization		(263,251		)	(336,043		)
Total intangible assets, net		$	330,115		$	259,123

Intangible assets, net excluding goodwill consist of (in thousands):

	Weighted Average  Useful Life (in months)	March 31, 2019			September 30, 2019
Capitalized software	109	$	188,608		$	189,175
Customer relationships	120	351,555			351,555
Trademarks and tradenames	120	55,003			55,003
Total intangible assets		595,166			595,733
Less: accumulated amortization		(336,043		)	(365,853		)
Total intangible assets, net		$	259,123		$	229,880

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of March 31, 2019, the estimated future amortization expense of the Company’s other intangible assets in the table above is as follows (in thousands):

	Fiscal Year Ended March 31,
	2020		2021		2022		2023		2024		Thereafter
Capitalized software	$	17,845	$	16,430	$	15,867	$	15,673	$	15,421	$	10,629
Customer relationships	34,780		29,243		24,660		20,794		17,534		10,473
Trademarks and tradenames	5,501		5,501		5,501		5,501		4,753		3,017
Total amortization	$	58,126	$	51,174	$	46,028	$	41,968	$	37,708	$	24,119