Product Warranty (Tables)

6 Months Ended

Sep. 30, 2016

Guarantees [Abstract]

Change in the Company's Warranty Accrual

The following table reflects the change in the Company’s warranty accrual during the six months ended September 30, 2016 and 2015:

	Six Months Ended
	September 30, 2016			September 30, 2015
	(In thousands)
Balance, beginning of period	$	11,434		$	15,545
Change in liability for warranties issued in period		4,167			1,614
Settlements made (in cash or in kind) during the period		(4,235	)		(4,178	)
Balance, end of period	$	11,366		$	12,981