Receivables, net (Net components of receivables) (Details) - USD ($) $ in Thousands	Oct. 03, 2015	Dec. 31, 2014
Receivables [Abstract]
Customers, trade	$ 1,350,403	$ 1,081,493
Income tax receivable	14,009	12,301
Other	58,714	60,772
Receivables, gross	1,423,126	1,154,566
Less: allowance for discounts, returns, claims and doubtful accounts	82,476	72,603
Receivables, net	$ 1,340,650	$ 1,081,963