Debt and Average Interest Rates on Debt Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011	Oct. 01, 2011	Dec. 31, 2011 Commercial Paper	Sep. 29, 2012 Revolving credit facilities	Dec. 31, 2011 Revolving credit facilities	Oct. 01, 2011 Revolving credit facilities	Sep. 29, 2012 Senior Notes Five Point Six Five Zero Percent Fixed Rate	Dec. 31, 2011 Senior Notes Five Point Six Five Zero Percent Fixed Rate	Oct. 01, 2011 Senior Notes Five Point Six Five Zero Percent Fixed Rate	Sep. 29, 2012 Senior Notes Five Point Six Five Zero Percent Fixed Rate Minimum	Sep. 29, 2012 Senior Notes Five Point Six Five Zero Percent Fixed Rate Maximum	Sep. 29, 2012 Senior Notes One Point Zero Five Zero Percent Due Twenty Thirteen Floating Rate	Dec. 31, 2011 Senior Notes One Point Zero Five Zero Percent Due Twenty Thirteen Floating Rate	Oct. 01, 2011 Senior Notes One Point Zero Five Zero Percent Due Twenty Thirteen Floating Rate	Sep. 29, 2012 Notes One Point Eight Seven Five Percent Due Twenty Seventeen	Sep. 29, 2012 Notes One Point Eight Seven Five Percent Due Twenty Seventeen Fixed Rate	May 31, 2011 Senior Notes, 5.00 Percent Due 2021	Sep. 29, 2012 Senior Notes, 5.00 Percent Due 2021 Fixed Rate	Dec. 31, 2011 Senior Notes, 5.00 Percent Due 2021 Fixed Rate	Oct. 01, 2011 Senior Notes, 5.00 Percent Due 2021 Fixed Rate	Sep. 29, 2012 Senior Notes Three Point One Five Zero Percent Due Twenty Twenty Two	Sep. 29, 2012 Senior Notes Three Point One Five Zero Percent Due Twenty Twenty Two Fixed Rate	Sep. 29, 2012 Debt, Other	Dec. 31, 2011 Debt, Other	Oct. 01, 2011 Debt, Other	Sep. 29, 2012 Debt, Other Minimum	Sep. 29, 2012 Debt, Other Maximum	Sep. 29, 2012 Capital Lease Obligations	Dec. 31, 2011 Capital Lease Obligations	Oct. 01, 2011 Capital Lease Obligations	Sep. 29, 2012 Capital Lease Obligations Minimum	Sep. 29, 2012 Capital Lease Obligations Maximum
Debt Disclosure [Line Items]
Debt, average interest rate					1.16%			5.65%					1.05%				1.875%		5.00%				3.15%	2.14%					3.274%
Maturity (Year)					2017						2013	2017	2013			2017	2017	2021	2021			2022	2022				2012	2017				2013	2030
Contractual debt obligations	$ 1,996,761	$ 1,309,087	$ 1,348,353	$ 3,497	$ 57,928	$ 168,500	$ 181,985	$ 400,000	$ 400,000	$ 400,000			$ 100,000	$ 205,000	$ 205,000		$ 350,000		$ 500,000	$ 500,000	$ 500,000		$ 550,000	$ 9,024	$ 16,302	$ 44,494			$ 29,809	$ 15,788	$ 16,874
Less: Current maturities	(501,375)	(1,168)	(1,194)
Short-term borrowings	(17)	(3,694)	(29,705)
Long-term debt	$ 1,495,369	$ 1,304,225	$ 1,317,454