Subsequent Events (Details)	12 Months Ended				12 Months Ended	0 Months Ended				0 Months Ended
	Dec. 28, 2013 USD ($)	Dec. 29, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jan. 02, 2014 Subsequent Event [Member] Senior Notes [Member] USD ($)	Dec. 28, 2013 Vion Ingredients [Member] USD ($)	Jan. 07, 2014 Vion Ingredients [Member] Subsequent Event [Member] EUR (€) continent facilities product brand	Jan. 07, 2014 Vion Ingredients [Member] Subsequent Event [Member] Performance Shares [Member]	Jan. 07, 2014 Vion Ingredients [Member] Subsequent Event [Member] Fully Vested Performance Award [Member]	Jan. 07, 2014 Vion Ingredients [Member] Best Hides GmbH [Member] Subsequent Event [Member]	Dec. 18, 2013 Common Stock [Member] USD ($)
Subsequent Event [Line Items]
Face amount of debt insturment				$ 500,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage							75.00%	25.00%
Annual interest rate				5.375%
Business Acquisition, Percentage of Voting Interests Acquired									60.00%
Number of Facilities Expected to be Acquired						67
Expected Business Combination, Number of Continents in which Entity Operates						5
Expected Business Combination, Number of Brands Entity Operates						6
Number Of Products In Portfolio						400
Payments to Acquire Businesses, Net of Cash Acquired	734,075,000	3,000,000	1,754,000			1,600,000,000
Issuance of common stock	843,154,000	2,969,000	293,668,000							874,000,000
Business Acquisitions Pro Forma Current Assets					2,338,185,000
Business Acquisitions Pro Forma Property Plant Equipment					1,428,590,000
Business Acquisitions Pro Forma Intangible Assets Net					1,205,381,000
Business Acquisitions Pro Forma Goodwill					1,451,570,000
Business Acquisitions Pro Forma Other Long Term Assets					224,269,000
Business Acquisitions Pro Forma Total Assets					6,647,995,000
Business Acquisitions Pro Forma Current Liabilities					724,760,000
Business Acquisitions Pro Forma Debt					2,316,947,000
Business Acquisitions Pro Forma Other Long Term Liabilities					742,272,000
Business Acquisitions Pro Forma Stockholders Equity					2,864,016,000
Business Acquisitions Pro Forma Total Liabilities and Stockholders Equity					6,647,995,000
Net sales					4,105,673,000
Income from continuing operations					357,182,000
Net income					$ 158,334,000
Basic (in dollars per share)					$ 0.96
Diluted (in dollars per share)					$ 0.96
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period							975,000