The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Intangible Assets - Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Amortization related to intangible assets
Amortization expense	$ 21,490	$ 34,795	$ 69,346	$ 109,605
Future amortization expense of intangible assets
2022 (three months)	20,680		20,680
2023	81,315		81,315
2024	74,975		74,975
2025	67,405		67,405
2026	64,502		64,502
2027	60,185		60,185
Thereafter	782,881		782,881
Total	1,151,943		1,151,943		$ 1,262,358
Depreciation and amortization
Amortization related to intangible assets
Amortization expense	20,076	33,061	65,290	104,503
Cost of sales
Amortization related to intangible assets
Amortization expense	69	77	213	230
Interest expense
Amortization related to intangible assets
Amortization expense	1,283	1,595	3,658	4,687
Operating expenses
Amortization related to intangible assets
Amortization expense	$ 62	$ 62	$ 185	$ 185