Warranty Liabilities (Tables)

6 Months Ended

Jul. 15, 2017

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

The following table presents changes in the Company’s warranty reserves, which are included in Accrued expenses in its condensed consolidated balance sheets.

	Twenty-Eight Weeks Ended			Fifty-Two Weeks Ended
(in thousands)	July 15, 2017			December 31, 2016
Warranty reserve, beginning of period	$	47,243		$	44,479
Additions to warranty reserves	28,011			46,903
Reserves utilized	(25,071		)	(44,139		)
Warranty reserve, end of period	$	50,183		$	47,243