Note 12 - Warranty Accrual (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended
	March 31,
	2019			2018
	(Dollars in thousands)
Balance at beginning of period	$	28,262		$	21,909
Expense provisions		3,348			2,598
Cash payments		(2,493	)		(2,500	)
Adjustments		875			3,106
Balance at end of period	$	29,992		$	25,113