Long-Term Debt (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Dec. 29, 2018
Debt Disclosure [Line Items]
Senior secured revolving credit line	$ 1,888,264	$ 1,887,764
Other Long-term Debt	0	175
Total debt	1,892,311	1,892,105
Less: Current maturities of long-term debt	3,017	3,207
Long-term debt	1,889,294	1,888,898
Line of Credit Facility, Maximum Borrowing Capacity	2,500,000
Line of Credit Facility, Increase (Decrease), Net	500,000
Line of Credit Facility, Potential Additional Borrowing Capacity	3,000,000
Line of Credit Facility, Outstanding Amount, USD Borrowings	1,819,000
Line of Credit Facility, Outstanding Amount, EUR Borrowings	69,300
Letters of Credit Outstanding, Amount	11,000
Line of Credit Facility, Remaining Borrowing Capacity	1,100,000
Line of credit, Current and Noncurrent, Foreign	$ 4,000
Line of Credit Facility, Interest Rate at Period End	5.86%
Foreign
Debt Disclosure [Line Items]
Foreign loans	$ 4,047	$ 4,166