Fair Value Measurements (Tables)

12 Months Ended

Dec. 28, 2017

Fair Value Measurements

Schedule of Assets (Liabilities) Measured at Fair Value on a Recurring Basis

	As of
	December 28,
(in thousands)	2017		Level 1		Level 2		Level 3
Designated as hedges:
Interest rate cap (cash flow hedge)	$	710	$	—	$	710	$	—
Not designated as hedges:
Interest rate cap	$	710	$	—	$	710	$	—

	As of
	December 29,
(in thousands)	2016		Level 1		Level 2		Level 3
Interest rate caps (cash flow hedges)	$	2,473	$	—	$	2,473	$	—