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Income Taxes (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Mar. 30, 2013
Income Taxes |  |  |  |
Federal income tax rate (as a percent) | 35.00% | 35.00% | 35.00% |
Reconciliation of computed expected tax expense excluding non-controlling interest to income tax expense (benefit) attributable to continuing operations |  |  |  |
Computed expected tax expense excluding non-controlling interest | $ 128,275,000 | $ 155,714,000 | $ 127,625,000 |
Adjustments to tax expense attributable to: |  |  |  |
Foreign tax differences | (36,139,000) | (40,733,000) | (33,322,000) |
Tax-exempt investment income | (62,000) | (116,000) | (974,000) |
State income taxes, net of federal benefit | 658,000 | 3,849,000 | 1,803,000 |
Change in valuation allowance |  | (754,000) | (6,189,000) |
Federal tax credits | (1,693,000) | (5,153,000) | (3,351,000) |
Change in pension deferred tax | (1,252,000) | (199,000) | (329,000) |
Domestic manufacturing deduction | (5,643,000) | (8,012,000) | (4,837,000) |
Other | 46,000 | (5,545,000) | 607,000 |
Income tax expense | 84,190,000 | 99,051,000 | 81,033,000 |
Components of earnings before income taxes |  |  |  |
United States | 178,821,000 | 300,992,000 | 223,401,000 |
Foreign | 187,680,000 | 143,906,000 | 141,243,000 |
Total earnings excluding non-controlling interest | 366,501,000 | 444,898,000 | 364,644,000 |
Less: Net loss (income) attributable to noncontrolling interests | (277,000) | 2,290,000 | 599,000 |
Earnings before income taxes | 366,778,000 | 442,608,000 | 364,045,000 |
Current: |  |  |  |
Federal | 68,928,000 | 79,069,000 | 48,814,000 |
Foreign | 31,149,000 | 15,318,000 | 15,855,000 |
State and local | 6,507,000 | 6,549,000 | 2,924,000 |
Deferred: |  |  |  |
Federal | (16,818,000) | (1,761,000) | 13,204,000 |
Foreign | (935,000) | (232,000) | 15,000 |
State and local | (4,641,000) | 108,000 | 221,000 |
Income tax expense | 84,190,000 | 99,051,000 | 81,033,000 |
Unrealized changes in other comprehensive income | (9,197,000) | (12,604,000) | (5,443,000) |
Total income taxes | 74,993,000 | 86,447,000 | 75,590,000 |
Income taxes receivable | 8,046,000 | 33,539,000 |  |
Income taxes payable | 14,381,000 | 2,604,000 |  |
Deferred income tax liabilities: |  |  |  |
Cash basis farming adjustment | 10,413,000 | 10,581,000 |  |
Depreciation | 108,083,000 | 109,409,000 |  |
LIFO | 7,012,000 | 27,927,000 |  |
Other | 3,770,000 | 4,406,000 |  |
Aggregate deferred income tax liabilities | 129,278,000 | 152,323,000 |  |
Deferred income tax assets: |  |  |  |
Reserves/accruals | 87,836,000 | 83,816,000 |  |
Tax credit carry-forwards | 12,813,000 | 11,217,000 |  |
Deferred earnings of foreign subsidiaries | 17,851,000 | 12,672,000 |  |
Net operating and capital loss carry-forwards | 11,756,000 | 15,800,000 |  |
Other | 1,442,000 | 2,041,000 |  |
Aggregate deferred income tax assets | 131,698,000 | 125,546,000 |  |
Valuation allowance | 11,758,000 | 16,320,000 |  |
Net deferred income tax liability | 9,338,000 | 43,097,000 |  |
Accrued interest and penalties on uncertain tax positions | 926,000 | 1,377,000 |  |
Unrecognized tax benefits, if recognized, would affect the effective tax rate | 5,053,000 | 7,898,000 |  |
Reconciliation of the beginning and ending amount of unrecognized tax benefits |  |  |  |
Balance at the beginning of the year | 7,898,000 | 3,548,000 |  |
Additions for uncertain tax positions of prior years | 929,000 | 66,000 |  |
Decreases for uncertain tax positions of prior years | (2,715,000) | (109,000) |  |
Additions for uncertain tax positions of current year | 1,165,000 | 4,791,000 |  |
Lapse of statute of limitations | (2,224,000) | (398,000) |  |
Balance at the end of the year | 5,053,000 | 7,898,000 | 3,548,000 |
Undistributed earnings from foreign operations | 985,402,000 |  |  |
Tax savings due to tax holiday | 2,063,000 | 16,275,000 | 3,434,000 |
Tax savings per diluted earnings per common share (in dollars per share) | $ 1.71 | $ 13.40 | $ 2.80 |
Net operating loss carry-forwards and tax credit carry-forwards |  |  |  |
Anticipated one-time tax benefit on enactment of law, minimum |  |  |  | 7,500,000
Anticipated one-time tax benefit on enactment of law, maximum |  |  |  | 15,000,000
One-time Federal blender's credits that will be recognized as revenues |  |  |  | 11,260,000
Foreign |  |  |  |
Net operating loss carry-forwards and tax credit carry-forwards |  |  |  |
Net operating loss carry-forwards (NOLs) | 39,241,000 |  |  |
State |  |  |  |
Net operating loss carry-forwards and tax credit carry-forwards |  |  |  |
Tax credit carry-forwards | $ 19,712,000 |  |  |

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