Stockholders' Equity and Stock-Based Compensation Stockholders' Equity and Stock-Based Compensation (Nonemployee Director Restricted Stock and Restricted Stock Unit Awards) (Details) (Details) (USD $)	12 Months Ended	0 Months Ended
	Jan. 03, 2015	Mar. 05, 2013	Mar. 06, 2012	Sep. 08, 2014	Jun. 19, 2014	Jun. 04, 2014	Jun. 03, 2014	May 06, 2014	Mar. 04, 2014	Aug. 05, 2013	Sep. 01, 2012	May 08, 2012	Jan. 07, 2014	Mar. 09, 2006	Nov. 11, 2010
Class of Stock [Line Items]
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent	$ 400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	29,603
Director Restricted Stock Plan [Member]
Class of Stock [Line Items]
Issuance of non-vested stock (in shares)		21,780	21,204
Restricted Stock Subject To Restrictions Percent														100.00%
Restricted Stock, Repurchase Price Per Share														$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Stock Available for Grant Per Employee	$ 90,000													$ 60,000
Shares granted	25,678
Stock Awards [Member]
Class of Stock [Line Items]
Shares granted	1,436,658	495,575	375,041	4,000	17,500	7,500		3,000	424,158	24,000	50,000	5,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	861,772	123,894	93,761	1,000	4,375	1,875	1,375	750	106,042	8,000	25,000	1,250
Restricted Stock Units (RSUs) [Member]
Class of Stock [Line Items]
Shares granted							5,500
Common Stock Equivalent					1		1
Discretionary grants to other employees [Member]
Class of Stock [Line Items]
Shares granted		46,000	75,000						46,500
Long Term Incentive Program [Member]
Class of Stock [Line Items]
Shares granted		449,575	300,041						377,658
Special Incentive Program 2010 [Member]
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant															640,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	6,667
Vion Ingredients [Member] | Performance Shares [Member]
Class of Stock [Line Items]
Shares granted													975,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage													75.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period													118,750
Vion Ingredients [Member] | Fully Vested Performance Award [Member]
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage													25.00%