Long-Term Debt (Tables)

6 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt consists of the following:

	September 30, 2020			March 31, 2020
Revolving credit facility	$	—		$	400,000
Receivable securitization facility		—			75,000
Finance leases		22,332			23,933
Senior secured first lien notes due 2024		700,000			—
Senior secured notes due 2024		525,000			525,000
Senior notes due 2022		300,000			300,000
Senior notes due 2025		500,000			500,000
Less: debt issuance costs		(25,525	)		(16,426	)
		2,021,807			1,807,507
Less: current portion		7,212			7,336
	$	2,014,595		$	1,800,171

Schedule of Carrying Amounts and Estimated Fair Values of Long-term Debt

Carrying amounts and the related estimated fair values of the Company's long-term debt not recorded at fair value in the consolidated financial statements are as follows:

September 30, 2020				March 31, 2020
Carrying Value		Fair Value		Carrying Value		Fair Value
$	2,021,807	$	1,787,557	$	1,807,507	$	1,559,455