Long-Term Debt (Tables)

9 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consists of the following, as of the dates indicated:

(In thousands, except percentages)	December 31, 2020		March 31, 2020
2016 Senior Notes bearing interest at 6.375%, with interest payable on March 1 and September 1 of each year. The 2016 Senior Notes mature on March 1, 2024.	$	600,000	$	600,000
2019 Senior Notes bearing interest at 5.125%, with interest payable on January 15 and July 15 of each year. The 2019 Senior Notes mature on January 15, 2028.	400,000		400,000
2012 Term B-5 Loans bearing interest at the Borrower's option at either LIBOR plus a margin of 2.00%, with a LIBOR floor of 0.00%, or an alternate base rate plus a margin of 1.00%, with a base rate floor of 1.00%, due on January 26, 2024.	560,000		690,000
2012 ABL Revolver bearing interest at the Borrower's option at either a base rate plus applicable margin or LIBOR plus applicable margin. Any unpaid balance is due on December 11, 2024.	—		55,000
Long-term debt	1,560,000		1,745,000
Less: unamortized debt costs	(11,308)		(14,700)
Long-term debt, net	$	1,548,692	$	1,730,300

Aggregate Future Principal Payments

As of December 31, 2020, aggregate future principal payments required in accordance with the terms of the 2012 Term B-5 Loans, 2012 ABL Revolver and the indentures governing the senior unsecured notes due 2024 (the "2016 Senior Notes") and the senior unsecured notes due 2028 (the "2019 Senior Notes") are as follows:

(In thousands)
Year Ending March 31,	Amount
2021 (remaining three months ending March 31, 2021)	$	—
2022	—
2023	—
2024	1,160,000
2025	—
Thereafter	400,000
	$	1,560,000