Leases (Details) $ in Thousands, € in Millions, $ in Millions	12 Months Ended
	Dec. 29, 2018 USD ($) property	Dec. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 29, 2018 CAD ($)	Dec. 29, 2018 EUR (€)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	$ 46,316
2020	34,403
2021	22,252
2022	13,091
2023	8,478
Thereafter	28,219
Total	152,759
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	271
2020	152
2021	6
2022	6
2023	0
Thereafter	0
Total	435
Less amounts representing interest	(20)
Capital lease obligations included in current and long-term debt	415			$ 0.4	€ 0.1
Operating Leases, Rent Expense, Net	$ 51,800	$ 48,700	$ 43,600
Processing Plants and Storage Locations [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Number Of Properties Leased | property	12