Receivables, net (Details) - USD ($) $ in Thousands	Jul. 15, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 713,666	$ 670,416
Less: Allowance for doubtful accounts	(33,163)	(29,164)
Receivables, net	680,503	641,252
Trade Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	457,513	407,301
Accounts Receivable, Vendor [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	241,822	239,770
Accounts Receivable, Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 14,331	$ 23,345