Product Warranty (Tables)

3 Months Ended

Jun. 30, 2017

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, 2017 and 2016:

	Three Months Ended
	June 30, 2017			June 30, 2016
	(In thousands)
Balance, beginning of period	$	11,058		$	11,434
Change in liability for warranties issued in period		215			2,872
Settlements made (in cash or in kind) during the period		(1,470	)		(2,149	)
Balance, end of period	$	9,803		$	12,157