Accounts Receivable, net ((Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	$ (2,595)	$ (3,924)
Accounts receivable, net	385,497	308,285
Trade Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross, current	257,714	160,783
Credit Card Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross, current	82,153	98,484
Vendor receivables for rebates, branding and other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross, current	17,423	14,561
Other Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross, current	$ 30,802	$ 38,381