Long-Term Debt and Commitments (Details) (USD $)	6 Months Ended
	Jun. 29, 2014		Jun. 30, 2013	Dec. 31, 2013
Debt Instrument [Line Items]
Debt	$ 1,552,900,000			$ 83,200,000
Less: Current maturities	23,800,000	[1]		8,200,000	[2]
Long-term debt	1,529,100,000	[1]		75,000,000	[2]
Uncommitted short-term bank credit lines, maximum borrowing capacity	38,700,000
Uncommitted short-term bank credit lines, amount outstanding	4,700,000
Repayments of long-term debt	75,000,000		1,700,000
Term Loan Facility, net of unamortized discount of $15.3 million due May 9, 2021 [Member]
Debt Instrument [Line Items]
Debt	1,544,700,000			0
Long-term debt, unamortized discount	15,300,000
Maturity date	May 09, 2021
Long-term debt, gross	1,560,000,000
Facility variable interest rate (in hundredths)	1.75%
Discount interest rate on notes (in hundredths)	1.00%
Amortization rate on notes (in hundredths)	1.00%
Basis points related to debt	0.0025
Deferred financing costs	28,700,000
Term Loan Facility, net of unamortized discount of $15.3 million due May 9, 2021 [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Long term debt, variable rate basis	LIBOR
Term Loan Facility, net of unamortized discount of $15.3 million due May 9, 2021 [Member] | LIBOR [Member] | Minimum [Member]
Debt Instrument [Line Items]
Facility variable interest rate (in hundredths)	0.75%
Term Loan Facility, net of unamortized discount of $15.3 million due May 9, 2021 [Member] | LIBOR [Member] | Maximum [Member]
Debt Instrument [Line Items]
Facility variable interest rate (in hundredths)	3.25%
3.46% Series A Senior Notes due October 7, 2020 [Member]
Debt Instrument [Line Items]
Debt	0			30,000,000
Interest rate on debt instrument (in hundredths)	3.46%
Maturity date	Oct. 07, 2020
4.13% Series B Senior Notes due October 7, 2023 [Member]
Debt Instrument [Line Items]
Debt	0			45,000,000
Interest rate on debt instrument (in hundredths)	4.13%
Maturity date	Oct. 07, 2023
Variable/Fixed Rate Industrial Development Revenue Bonds Series 1999 due November 1, 2014 [Member]
Debt Instrument [Line Items]
Debt	8,200,000			8,200,000
Maturity date	Nov. 01, 2014
Repayments of long-term debt	8,200,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Uncommitted short-term bank credit lines, maximum borrowing capacity	$ 200,000,000

[1] Unaudited

[2] Condensed from audited financial statements