Stockholders' Equity and Accumulated Other Comprehensive Loss (Details) (USD $)	0 Months Ended	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 19, 2014	May 24, 2014	Dec. 31, 2012	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 31, 2012	Dec. 31, 2013
Stockholders' Equity and Accumulated Other Comprehensive Loss
Increase in the amount of the share repurchase program		$ 20,000,000
Common stock repurchased (in shares)	16,738					18,405
Share price of common stock under repurchase program (in dollars per share)	$ 2,950
Repurchase of common stock	49,377,000					53,781,000
Remaining authorized repurchase amount under November 2009 share repurchase program				50,846,000		50,846,000
Common stock dividend declared and paid (in dollars per share)			$ 12.00
Common stock dividend historical amount on a quarterly basis (in dollars per share)								$ 0.75
Common stock dividend historical amount on annual basis (in dollars per share)								$ 3.00
Portion of dividend serving as prepayment for next succeeding year (in dollars per share)			$ 3.00
Portion of dividend serving as prepayment for second succeeding year (in dollars per share)			$ 3.00
Portion of dividend serving as prepayment for third succeeding year (in dollars per share)			$ 3.00
Portion of dividend serving as prepayment for fourth succeeding year (in dollars per share)			$ 3.00
Changes in the components of other comprehensive loss (OCL), net of related taxes
Foreign currency translation adjustment				(2,790,000)	(6,699,000)	(29,565,000)	(12,821,000)
Investments:
Unrealized gain (loss)				553,000	(1,948,000)	568,000	(1,309,000)
Amount reclassified from OCL to net earnings				(55,000)	(189,000)	456,000	(399,000)
Unrealized gain (loss) on investments				498,000	(2,137,000)	1,024,000	(1,708,000)
Unrealized gain (loss) on cash flow hedges				(275,000)		86,000
Pension Cost:
Unrealized gain					1,310,000		1,310,000
Amount reclassified from OCL to net earnings				320,000	1,235,000	640,000	2,427,000
Unrecognized pension cost				320,000	2,545,000	640,000	3,737,000
Other comprehensive loss, net of tax				(2,247,000)	(6,291,000)	(27,815,000)	(10,792,000)
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss				(209,612,000)		(209,612,000)			(181,797,000)
Income tax rate for foreign currency translation gains and losses (as a percent)						35.00%	35.00%
Cumulative foreign currency translation adjustment, net of related taxes				50,353,000	4,988,000	50,353,000	4,988,000
Tax benefit recorded on unrecognized pension cost						0	0
Effective income tax rate for components of accumulated other comprehensive loss (as a percent)						39.00%	39.00%
Unrecognized pension cost related to employees at certain subsidiaries				8,498,000	20,346,000	8,498,000	20,346,000
Argentine pesos | Sugar segment
Components of accumulated other comprehensive loss, net of related taxes
Net assets of Sugar segment				124,511,000		124,511,000
U.S. dollars | Sugar segment
Components of accumulated other comprehensive loss, net of related taxes
Net assets of Sugar segment				1,396,000		1,396,000
Cumulative Foreign Currency Translation Adjustment:
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss				(184,978,000)		(184,978,000)			(155,413,000)
Unrealized Gain on Investments:
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss				1,505,000		1,505,000			481,000
Unrealized Loss on Cash Flow Hedges:
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss				(27,000)		(27,000)			(113,000)
Unrecognized Pension Cost:
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss				$ (26,112,000)		$ (26,112,000)			$ (26,752,000)