Note 12 - Warranty Accrual (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	29,992		$	25,113		$	28,262		$	21,909
Expense provisions		3,737			3,749			7,085			6,347
Cash payments		(2,976	)		(3,196	)		(5,469	)		(5,696	)
Adjustments		(1,404	)		-			(529	)		3,106
Balance at end of period	$	29,349		$	25,666		$	29,349		$	25,666