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Debt Narrative (Details) CAD in Millions	12 Months Ended
Debt Narrative (Details) CAD in Millions	Dec. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 02, 2016 USD ($)	Dec. 30, 2017 CAD	Dec. 30, 2017 EUR (€)	Jun. 03, 2015 EUR (€)	Jan. 02, 2014 USD ($)	Dec. 17, 2010
Debt Instrument [Line Items]
Capital lease obligations, current				CAD 0.8	€ 200,000
Capital lease obligations, noncurrent				0.4	100,000
Write-off deferred loan costs	$ (766,000)	$ (528,000)	$ (10,633,000)
Current portion of long-term debt	16,143,000	23,247,000
Long-term debt, net of current portion	$ 1,698,050,000	1,727,696,000
Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Line of credit facility, term	5 years
Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 494,422,000	577,202,000
Letter of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Deferred finance costs, gross	6,300,000
Senior Notes [Member] \| Senior Notes 8.5% due 2018 [Member]
Debt Instrument [Line Items]
Annual interest rate								8.50%
Senior Notes [Member] \| Senior Notes 5.375% Due 2022 [Member]
Debt Instrument [Line Items]
Face amount of debt insturment							$ 500,000,000.0
Long-term Debt	493,362,000	492,333,000
Annual interest rate							5.375%
Senior Notes [Member] \| Senior Notes 4.75% Due 2022 [Member]
Debt Instrument [Line Items]
Long-term line of credit \| €					€ 515,000,000
Face amount of debt insturment \| €						€ 515,000,000.0
Long-term Debt	608,681,000	534,884,000
Annual interest rate						4.75%
Secured Debt [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Maximum availability	1,875,000,000.000
Term Loan A Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	95,694,000	119,020,000
Other Notes and Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	22,034,000	22,224,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Maximum availability	1,000,000,000.0
Availability	976,000,000
Revolving Credit Facility [Member] \| Senior Secured Facilities [Member] \| Canadian Dealer Offered Rate (CDOR) [Member] \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Long-term line of credit		5,300,000
Revolving Credit Facility [Member] \| Revolving Credit Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term Debt	0	5,280,000
Revolving Credit Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Availability	948,300,000
Term Loan A Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Face amount of debt insturment	350,000,000.0
Term Loan A Facility [Member] \| Senior Secured Facilities [Member] \| Canada, Dollars
Debt Instrument [Line Items]
Long-term line of credit	53,100,000	$ 76,900,000		CAD 66.6
Term Loan A Facility [Member] \| Senior Secured Facilities [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit	$ 43,300,000
Term Loan A Facility [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	3.57%			3.57%	3.57%
Term Loan A Facility [Member] \| Senior Secured Facilities [Member] \| Canadian Dealer Offered Rate (CDOR) [Member] \| Canada, Dollars
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	3.5257%			3.5257%	3.5257%
Term Loan A Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Term Loan A Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| Canadian Prime Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Letter of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit	$ 24,000,000
Springing adjustment, term	91 days
Maximum availability	$ 150,000,000.0
Letter of Credit [Member] \| Senior Secured Facilities [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, covenant, interest ratio	3.00			3.00	3.00
Letter of Credit [Member] \| Senior Secured Facilities [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, covenant, leverage ratio	5.50			5.50	5.50
Secured Debt [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Secured Debt [Member] \| Senior Secured Facilities [Member] \| Canadian Dealer Offered Rate (CDOR) [Member] \| Canada, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Swingline Sub-Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Maximum availability	$ 50,000,000.0
Term Loan B Facility [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Springing adjustment, loans outstanding, period	91 days
Face amount of debt insturment	$ 525,000,000.0
Term Loan B Facility [Member] \| Senior Secured Facilities [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit	$ 500,000,000
Term Loan B Facility [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Line of credit facility, interest rate at period end	3.57%			3.57%	3.57%
Term Loan B Facility [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Line of credit facility, interest rate at period end	5.50%			5.50%	5.50%
Term Loan B Facility [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Long-term line of credit	$ 5,000,000
Term Loan B Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Term Loan B Facility [Member] \| Secured Debt [Member] \| Senior Secured Facilities [Member] \| Base Rate [Member] \| United States of America, Dollars
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Foreign Line of Credit [Member] \| Senior Secured Facilities [Member]
Debt Instrument [Line Items]
Long-term line of credit	$ 12,300,000
Prior to May 30, 2018 [Member] \| Senior Notes [Member] \| Senior Notes 4.75% Due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	100.00%