Credit Agreement Credit Agreement (Tables)

3 Months Ended

Mar. 31, 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):

	Three Months Ended
	March 31, 2018			December 30, 2017
Outstanding borrowings	$	75,800		$	24,500
Outstanding letters of credit	$	3,450		$	3,150
Additional borrowing capacity	$	220,750		$	125,500
Weighted-average interest rate	3.0		%	3.1		%