Tax Receivable Agreements (Tables)

12 Months Ended

Mar. 31, 2020

Related Party Transaction [Line Items]

Aggregate Payments Due Under Tax Receivable Agreements

	2009 - 2011 Tax Receivable Agreements		2017 Tax Receivable Agreement		Total
2021	$	18,714	$	1,520		20,234
2022		20,113		2,281		22,394
2023		20,084		47,384		67,468
2024		19,358		26,551		45,909
2025		17,917		8,441		26,358
Thereafter		102,942		29,479		132,421
Gross expected payments		199,128		115,656		314,784
Less: Amounts representing discount		(55,945)		(60,779)		(116,724)
Total tax receivable agreement obligations due to related parties		143,183		54,877		198,060
Less: Current portion due (included in due to related parties, net)		(18,714)		(1,520)		(20,234)
Tax receivable agreement long-term obligations due to related parties	$	124,469	$	53,357	$	177,826

McKesson Tax Receivable Agreement [Member]

Related Party Transaction [Line Items]

Aggregate Payments Due Under Tax Receivable Agreements

	McKesson Tax Receivable Agreement
2021	$	—
2022		128
2023		18,306
2024		19,905
2025		23,150
Thereafter		103,144
Gross expected payments		164,633
Less: Amounts representing discount		—
Total tax receivable agreement obligation		164,633
Less: Current portion due (included in accrued expenses)		—
Tax receivable agreement long-term obligation (included in other long-term liabilities)	$	164,633