Financial Instruments and Fair Value Measurements (Schedule of Carrying Amount and Fair Value of Long-term Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 30, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Variable Rate Receivable Securitization, Fair Value	$ 225.0	$ 250.0
Long-term Debt	5,783.5	5,965.8
Receivable Securitization
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Variable Rate Receivable Securitization	225.0	250.0
4.00% Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Loans Payable	6.4	6.5
Loans Payable, Fair Value Disclosure	6.4	6.5
Secured Debt | Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Loans Payable	0.0	1,948.5
Long-term Debt	0.0	1,928.5
Loans Payable, Fair Value Disclosure	0.0	1,953.2
Secured Debt | 4.00% Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term Debt	5.4	5.5
Secured Debt | New Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Loans Payable	1,865.0	0.0
Long-term Debt	1,846.3	0.0
Loans Payable, Fair Value Disclosure	1,863.6	0.0
Secured Debt | 2015 Revolving Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term Debt		100.0
Senior Notes | 3.50% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	300.1	298.7
Senior Notes | 5.75% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	869.5	850.3
Senior Notes | 4.75% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	510.0	520.9
Unsecured Debt | 3.50% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term Debt	300.0	300.0
Unsecured Debt | 4.88% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	701.4	699.5
Long-term Debt	700.0	700.0
Unsecured Debt | 5.75% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term Debt	884.0	884.0
Unsecured Debt | 4.75% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term Debt	600.0	600.0
Unsecured Debt | 5.625% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	701.9	682.4
Long-term Debt	738.0	738.0
Unsecured Debt | 5.50% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	639.5	615.7
Long-term Debt	695.0	695.0
Unsecured Debt | 2015 Revolving Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	0.0	100.0
Debentures | 9.50% Debenture
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	11.8	12.0
Long-term Debt	10.4	10.4
Debentures | 8.00% Debenture
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long term debt, fair value	4.8	4.9
Long-term Debt	$ 4.4	$ 4.4