Credit Agreement Credit Agreement (Tables)

6 Months Ended

Jun. 30, 2018

Short-term Debt [Line Items]

Schedule of Short-term Debt [Table Text Block]

The following tables summarizes our borrowings under the credit facility ($ in thousands):

	June 30, 2018			December 30, 2017
Outstanding borrowings	$	182,500		$	24,500
Outstanding letters of credit	$	3,450		$	3,150
Additional borrowing capacity	$	114,050		$	125,500
Weighted-average interest rate	3.6		%	3.1		%