Product Warranty (Tables)

3 Months Ended

Jun. 30, 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 during the three months ended June 30, 2019 and 2018:

	Three Months Ended
	June 30, 2019			June 30, 2018
	(In thousands)
Balance, beginning of period	$	7,584		$	6,914
Change in liability for warranties issued in period		2,182			475
Settlements made (in cash or in kind) during the    period		(1,316	)		(914	)
Balance, end of period	$	8,450		$	6,475