Product Warranty (Tables)

12 Months Ended

Mar. 31, 2019

Guarantees And Product Warranties [Abstract]

Change in the Company's Warranty Accrual

The following table reflects the change in the Company’s warranty accrual in fiscal years 2019, 2018 and 2017.

	Fiscal Years Ended
	March 31, 2019			March 31, 2018			March 31, 2017
	(In thousands)
Balance, beginning of period	$	6,914		$	11,058		$	11,434
Change in liability for warranties issued in period		5,080			897			7,815
Settlements made (in cash or in kind) during the period		(4,410	)		(5,041	)		(8,191	)
Balance, end of period	$	7,584		$	6,914		$	11,058