Financing Arrangements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017
Short-term borrowings [Abstract]
Maturities of the notes, maximum	397 days
Commercial paper program, notes outstanding	$ 0	$ 137,500
Commercial paper program, weighted average interest rate	0.00%	1.85%
Unsecured Committed [Member]
Short-term borrowings [Abstract]
Maturity Date, Line of credit facility	Nov. 26, 2023
Line of credit facility, available borrowing capacity	$ 1,100,000
Potential Additional Commitment Increase	$ 500,000
Commitment fee based on unused portion of line of credit facility	0.10%
Interest rate under line of credit facility	Eurocurrency Rate plus 1.125%.
Maximum aggregate principal amount of commercial paper notes issuable by the Company	$ 1,000,000
Unsecured Uncommitted [Member]
Short-term borrowings [Abstract]
Line of credit facility, available borrowing capacity	$ 148,000
Weighted average interest rates of outstanding borrowings	3.92%	4.32%