Goodwill and Other Intangible Assets Intangible assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 185,306	$ 164,121
Accumulated Amortization	(44,986)	(32,990)
Net Amount	$ 140,320	$ 131,131
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	145 months	151 months
Gross Carrying Amount	$ 117,006	$ 104,381
Accumulated Amortization	(27,704)	(19,981)
Net Amount	$ 89,302	$ 84,400
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	43 months	14 months
Gross Carrying Amount	$ 7,566	$ 7,166
Accumulated Amortization	(6,946)	(5,587)
Net Amount	$ 620	$ 1,579
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Remaining Amortization Period	221 months	231 months
Gross Carrying Amount	$ 60,734	$ 52,574
Accumulated Amortization	(10,336)	(7,422)
Net Amount	$ 50,398	$ 45,152