Accrued Warranty Obligations (Tables)

6 Months Ended

Sep. 29, 2018

Guarantees And Product Warranties [Abstract]

Summary of Changes in Accrued Warranty Obligations

Changes in the accrued warranty obligations were as follows:

	Three Months Ended						Six Months Ended
(Dollars in thousands)	September 29, 2018			September 30, 2017			September 29, 2018			September 30, 2017
	(unaudited)						(unaudited)
Balance at the beginning of the period	$	21,898		$	15,309		$	15,430		$	14,534
Warranty assumed in the Exchange		—			—			6,259			—
Warranty expense		9,448			5,343			16,667			11,616
Cash warranty payments		(8,475	)		(5,584	)		(15,485	)		(11,082	)
Balance at end of period		22,871			15,068			22,871			15,068
Less noncurrent portion in other long-term liabilities		5,700			2,600			5,700			2,600
Total current portion	$	17,171		$	12,468		$	17,171		$	12,468