Long-Term Debt and Financing Arrangements - Additional Information (Detail) (USD $)			1 Months Ended											3 Months Ended		6 Months Ended			1 Months Ended
	Jul. 02, 2011	Jan. 01, 2011	May 31, 2011 Notes payable due 2011	Jul. 02, 2011 Commercial Paper	Jul. 02, 2011 Notes payable due 2012	Jan. 31, 2009 Notes payable due 2012 Interest Rate Contract	Jul. 02, 2011 Notes payable due 2013	Jan. 31, 2009 Notes payable due 2013 Interest Rate Contract	Jul. 02, 2011 Notes payable due 2014	Jan. 01, 2011 Notes payable due 2014 Interest Rate Contract	Jul. 02, 2011 Notes payable due 2016	Jan. 01, 2011 Notes payable due 2016 Interest Rate Contract	Jul. 02, 2011 Convertible notes payable due in 2012	Jul. 02, 2011 Convertible Preferred Units	Jul. 02, 2011 Convertible Notes Payable	Jul. 02, 2011 Maximum Committed Credit Facility	Jul. 02, 2011 Committed Credit Facility	Mar. 11, 2011 Committed Credit Facility Year	Mar. 31, 2011 Amended Term Facility Termination	Mar. 31, 2011 Revolving Credit Facility Expirations	Mar. 11, 2011 Liquidity Facilities Guarantee
Debt Instrument [Line Items]
Repayment of Notes Payable			$ 400,000,000
Commercial Paper, Outstanding	626,900,000	1,600,000		626,600,000
Commercial Paper Program, Total	1,500,000,000
Credit facility, maturity period																		4,000,000
Amount of credit facility																		1,200,000,000
Credit facility, borrowing description																	Borrowings under the Credit Agreement may include U.S. Dollars up to the $1.2 billion commitment or in Euro or Pounds Sterling subject to a foreign currency sublimit of $400.0 million and bear interest at a floating rate dependent upon the denomination of the borrowing. Repayments must be made on March 11, 2015 or upon an earlier termination date of the Credit Agreement, at the election of the Company.
Amount of credit facility, foreign currency sublimit																		400,000,000
Credit facility, covenant description																	Under the terms of the Credit Agreement, the Company must maintain an interest coverage ratio, defined as earnings before interest, taxes, depreciation and amortization (“EBITDA”) to interest expense, of not less than 3.5 to 1.0 for any period of four consecutive quarters.
Minimum EBITDA to Interest coverage ratio that should be maintained																		3.5
Amount of credit facility, terminated or expired																			800,000,000	700,000,000
Amount of credit facility, termination date																2015-03-11
Commercial Paper																					1,500,000,000
Debt instrument, face amount						200,000,000		250,000,000		300,000,000		300,000,000	320,000,000
Unamortized gain on the terminated swap and fair value adjustment of the new swap					6,800,000		11,000,000
Unamortized discount on the notes							200,000
Long-term debt fair value adjustment									10,400,000		22,100,000
Fair value adjustment of swap									400,000		1,900,000
Convertible Preferred Units														$ 632,500,000
Debt instrument, Conversion features														1.3358	15.5886
Debt instrument, Conversion Price														$ 74.86	$ 64.15