Interest Expense (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended																																																	12 Months Ended										12 Months Ended				12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Dec. 29, 2012 Commercial paper [Member]	Dec. 31, 2011 Commercial paper [Member]	Jan. 01, 2011 Commercial paper [Member]	Dec. 29, 2012 Bank credit agreement, unsecured [Member]	Dec. 31, 2011 Bank credit agreement, unsecured [Member]	Jan. 01, 2011 Bank credit agreement, unsecured [Member]	Dec. 29, 2012 Term Credit Agreement [Member]	Dec. 31, 2011 Term Credit Agreement [Member]	Jan. 01, 2011 Term Credit Agreement [Member]	Dec. 29, 2012 Other bank borrowings [Member]	Dec. 31, 2011 Other bank borrowings [Member]	Jan. 01, 2011 Other bank borrowings [Member]	Dec. 29, 2012 Mortgage notes payable [Member]	Dec. 31, 2011 Mortgage notes payable [Member]	Jan. 01, 2011 Mortgage notes payable [Member]	Dec. 29, 2012 Other notes payable, unsecured [Member]	Dec. 31, 2011 Other notes payable, unsecured [Member]	Jan. 01, 2011 Other notes payable, unsecured [Member]	Dec. 29, 2012 Obligations under capital leases [Member]	Dec. 31, 2011 Obligations under capital leases [Member]	Jan. 01, 2011 Obligations under capital leases [Member]	Dec. 29, 2012 4.95% Senior Notes due 2010 [Member] Senior Notes [Member]	Dec. 31, 2011 4.95% Senior Notes due 2010 [Member] Senior Notes [Member]	Jan. 01, 2011 4.95% Senior Notes due 2010 [Member] Senior Notes [Member]	Dec. 29, 2012 6.50% Senior Notes due 2011 [Member] Senior Notes [Member]	Dec. 31, 2011 6.50% Senior Notes due 2011 [Member] Senior Notes [Member]	Jan. 01, 2011 6.50% Senior Notes due 2011 [Member] Senior Notes [Member]	Dec. 29, 2012 5.80% Senior Notes due 2012 [Member] Senior Notes [Member]	Dec. 31, 2011 5.80% Senior Notes due 2012 [Member] Senior Notes [Member]	Jan. 01, 2011 5.80% Senior Notes due 2012 [Member] Senior Notes [Member]	Dec. 29, 2012 Floating Rate Senior Notes Due 2013 Unsecured [Member] Senior Notes [Member]	Dec. 31, 2011 Floating Rate Senior Notes Due 2013 Unsecured [Member] Senior Notes [Member]	Jan. 01, 2011 Floating Rate Senior Notes Due 2013 Unsecured [Member] Senior Notes [Member]	Dec. 29, 2012 3.00% Second Series Notes due 2014 [Member] Second Series Notes [Member]	Dec. 31, 2011 3.00% Second Series Notes due 2014 [Member] Second Series Notes [Member]	Jan. 01, 2011 3.00% Second Series Notes due 2014 [Member] Second Series Notes [Member]	Dec. 29, 2012 6.25% Senior Notes due 2014 [Member] Senior Notes [Member]	Dec. 31, 2011 6.25% Senior Notes due 2014 [Member] Senior Notes [Member]	Jan. 01, 2011 6.25% Senior Notes due 2014 [Member] Senior Notes [Member]	Dec. 29, 2012 5.625% Senior Notes due 2014 [Member] Senior Notes [Member]	Dec. 31, 2011 5.625% Senior Notes due 2014 [Member] Senior Notes [Member]	Jan. 01, 2011 5.625% Senior Notes due 2014 [Member] Senior Notes [Member]	Dec. 29, 2012 3.40% Senior Notes due 2016 [Member] Senior Notes [Member]	Dec. 31, 2011 3.40% Senior Notes due 2016 [Member] Senior Notes [Member]	Jan. 01, 2011 3.40% Senior Notes due 2016 [Member] Senior Notes [Member]	Dec. 05, 2011 3.40% Senior Notes due 2016 [Member] Senior Notes [Member]	Dec. 29, 2012 6.35% Senior Notes due 2017 [Member] Senior Notes [Member]	Dec. 31, 2011 6.35% Senior Notes due 2017 [Member] Senior Notes [Member]	Jan. 01, 2011 6.35% Senior Notes due 2017 [Member] Senior Notes [Member]	Dec. 29, 2012 5.00% Senior Notes due 2019 [Member] Senior Notes [Member]	Dec. 31, 2011 5.00% Senior Notes due 2019 [Member] Senior Notes [Member]	Jan. 01, 2011 5.00% Senior Notes due 2019 [Member] Senior Notes [Member]	Dec. 29, 2012 3.95% Senior Notes due 2020 [Member] Senior Notes [Member]	Dec. 31, 2011 3.95% Senior Notes due 2020 [Member] Senior Notes [Member]	Jan. 01, 2011 3.95% Senior Notes due 2020 [Member] Senior Notes [Member]	Mar. 31, 2011 3.95% Senior Notes due 2020 [Member] Senior Notes [Member]	Dec. 29, 2012 4.75% Senior Notes due 2021 [Member] Senior Notes [Member]	Dec. 31, 2011 4.75% Senior Notes due 2021 [Member] Senior Notes [Member]	Jan. 01, 2011 4.75% Senior Notes due 2021 [Member] Senior Notes [Member]	Dec. 05, 2011 4.75% Senior Notes due 2021 [Member] Senior Notes [Member]	Dec. 29, 2012 7.45% Senior Debentures due 2027 [Member] Senior Debentures [Member]	Dec. 31, 2011 7.45% Senior Debentures due 2027 [Member] Senior Debentures [Member]	Jan. 01, 2011 7.45% Senior Debentures due 2027 [Member] Senior Debentures [Member]	Dec. 29, 2012 7.25% Senior Debentures due 2031 [Member] Senior Debentures [Member]	Dec. 31, 2011 7.25% Senior Debentures due 2031 [Member] Senior Debentures [Member]	Jan. 01, 2011 7.25% Senior Debentures due 2031 [Member] Senior Debentures [Member]
Debt Instrument [Line Items]
Interest expense				$ 6.0	$ 1.6	$ 1.6	$ 2.7	$ 2.4	$ 0.8	$ 8.7	$ 0	$ 0	$ 0.1	$ 0.1	$ 0.1	$ 1.8	$ 0.7	$ 1.2	$ 1.8	$ 2.1	$ 1.7	$ 43.0	$ 47.1	$ 50.4	$ 0	$ 0	$ 15.3	$ 0	$ 5.4	$ 32.5	$ 29.1	$ 46.4	$ 46.4	$ 2.7	$ 0	$ 0	$ 9.0	$ 6.8	$ 0	$ 31.3	$ 31.3	$ 31.3	$ 14.1	$ 14.1	$ 14.1	$ 13.6	$ 1.0	$ 0		$ 31.8	$ 31.8	$ 31.8	$ 25.0	$ 25.0	$ 25.0	$ 19.7	$ 19.7	$ 8.2		$ 19.0	$ 1.4	$ 0		$ 11.2	$ 11.2	$ 11.2	$ 43.5	$ 43.5	$ 43.5
Amortization of deferred finance costs	7.6	5.4	4.8
Interest rate swap agreements	(5.0)	(9.9)	(9.4)
Amortization of deferred gain on swap termination	0	0	(1.0)
Capitalized interest	(12.7)	(14.9)	(11.0)
Total interest expense incurred	$ 304.0	$ 272.2	$ 298.5
Fixed interest rate of debt																									4.95%			6.50%			5.80%						3.00%			6.25%			5.625%			3.40%			3.40%	6.35%			5.00%			3.95%			3.00%	4.75%			4.75%	7.45%			7.25%