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Restructuring and Impairment Charges (Schedule of Restructuring and Related Costs) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Restructuring and Related Activities [Abstract]      
Cost of sales - accelerated depreciation $ 10,327 $ 5,302 $ 792
Restructuring charges 6,205 5,229 551
Goodwill and long-lived asset impairments 20,947 5,776 11,241
Valuation allowance of long-term note receivable 10,264 0 0
Restructuring and impairment charges $ 37,416 $ 11,005 $ 11,792