Warranty Costs (Tables)

6 Months Ended

Jun. 30, 2018

Notes To Financial Statements [Abstract]

Product Warranty Table Disclosure

A rollforward of the warranty reserve is as follows (in thousands):

	Six Months Ended
	Jun 30, 2018
Balance as of December 30, 2017	$	52,834
Warranty reserve related to acquisitions	5,485
Warranty expense	31,167
Warranty claims	(29,819		)
Balance as of June 30, 2018	$	59,667