Value Creation Plan (Table) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Apr. 01, 2017		Dec. 30, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Cost of goods sold		$ 278,968	$ 291,332
Selling, general and administrative expenses		28,288	38,272
Value Creation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		2,195	17,283
Cash receipts (payments), net		(2,293)	(7,933)
Restructuring Reserve Settled Without Cash		(339)	(438)
Restructuring Reserve		3,290	12,372		$ 3,727	$ 3,460
Restructuring And Related Cost, Cost Incurred To Date1		70,433
Cash receipts (payments), net, to date		(43,985)
Restructuring Reserve Settled Without Cash, To Date		(23,158)
Cost of goods sold	[1]	100	372
Selling, general and administrative expenses	[2]	313	11,438
Other Expense	[3]	1,782	5,473
Facility Closing [Member] | Value Creation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		1,650	4,095	[4]
Cash receipts (payments), net		700	(3,581)
Restructuring Reserve Settled Without Cash		(339)	(714)
Restructuring Reserve		1,311	(200)		(700)	0
Restructuring And Related Cost, Cost Incurred To Date1		34,938
Cash receipts (payments), net, to date		(10,046)
Restructuring Reserve Settled Without Cash, To Date		(23,581)
Consulting and temporary labour costs | Value Creation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		110	9,710
Cash receipts (payments), net		(110)	(1,774)
Restructuring Reserve Settled Without Cash		0	0
Restructuring Reserve		0	9,593		0	1,657
Restructuring And Related Cost, Cost Incurred To Date1		20,679
Cash receipts (payments), net, to date		(20,679)
Restructuring Reserve Settled Without Cash, To Date		0
Employee Recruitment Retention and Termination Costs [Member] | Value Creation Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		435	3,478
Cash receipts (payments), net		(2,883)	(2,578)
Restructuring Reserve Settled Without Cash		0	276
Restructuring Reserve		1,979	$ 2,979		$ 4,427	$ 1,803
Restructuring And Related Cost, Cost Incurred To Date1		14,816
Cash receipts (payments), net, to date		(13,260)
Restructuring Reserve Settled Without Cash, To Date		$ 423

[1] F acility closure costs, including inventory write-downs, recorded in cost of goods sold were allocated to the Consumer Products operating segment.

[2] Consulting fees and temporary labor costs, and employee recruitment, relocation and retention costs recorded in selling, general and administrative expenses were allocated to Corporate Services.

[3] For the quarter ended March 31, 2018 , asset impairment , lease obligation and employee termination costs recorded in other expense were allocated as follows: Raw Material Sourcing and Supply operating segment - $ 0.3 million ( April 1, 2017 – $nil) ; Consumer Products operating segment - $ 1.3 million ( April 1, 2017 – $4.7 million) ; and Corporate Services - $ 0.1 million ( April 1, 2017 – $0.8 million).

[4] For the quarter ended April 1, 2017 , cost incurred included the early buyout of the San Bernardino equipment leases , as well as closure costs related to the San Bernardino facility prior to its disposal to the landlord. In exchange for the San Bernardino assets, the facility landlord released the Company from its remaining property lease obligation and paid proceeds of $0.2 million in December 2017 .