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Derivatives and Fair Value of Financial Instruments-Deferred Comp Securities (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Oct. 03, 2015 | Dec. 31, 2014
Assets and liabilities measured at fair value on a recurring basis and also its level within the fair value hierarchy |  |
Transfers that occurred into or out of level 2 | $ 0 |
Transfers that occurred into or out of level 3 | 0 |
Commodities |  |
Assets: |  |
Margin account | 34,852,000 | $ 4,314,000
Money market funds |  |
Assets: |  |
Available-for-sale securities | 100,648,000 | 142,432,000
Domestic equity securities |  |
Assets: |  |
Trading securities | 158,815,000 |
High yield trading debt securities |  |
Assets: |  |
Trading securities | 122,178,000 | 181,483,000
Domestic equity mutual fund |  |
Assets: |  |
Trading securities | 80,525,000 | 82,542,000
Domestic equity ETF |  |
Assets: |  |
Trading securities | 77,443,000 | 32,651,000
Foreign equity securities |  |
Assets: |  |
Trading securities | 76,669,000 |
Money market funds held in trading accounts |  |
Assets: |  |
Trading securities | 40,152,000 | 21,401,000
Foreign equity mutual fund |  |
Assets: |  |
Trading securities | 19,831,000 |
Collateralized loan obligation |  |
Assets: |  |
Trading securities | 9,791,000 |
Corporate bonds |  |
Assets: |  |
Available-for-sale securities |  | 11,015,000
U.S. Government agency securities |  |
Assets: |  |
Available-for-sale securities |  | 9,666,000
Other available-for-sale securities |  |
Assets: |  |
Available-for-sale securities |  | 3,983,000
Recurring basis | Fair Value |  |
Assets: |  |
Total Assets | 747,557,000 | 546,012,000
Liabilities: |  |
Liabilities | 31,870,000 | 9,901,000
Recurring basis | Fair Value | Commodities |  |
Assets: |  |
Derivatives | 9,639,000 | 6,136,000
Margin account | 34,852,000 | 4,314,000
Liabilities: |  |
Derivatives | 21,739,000 | 1,779,000
Recurring basis | Fair Value | Interest rate swaps |  |
Liabilities: |  |
Derivatives | 8,714,000 | 7,715,000
Recurring basis | Fair Value | Foreign currencies |  |
Assets: |  |
Derivatives | 1,715,000 | 1,675,000
Liabilities: |  |
Derivatives | 1,417,000 | 407,000
Recurring basis | Fair Value | Other current assets | Commodities |  |
Assets: |  |
Derivative assets and liabilities, net basis | 22,949,000 | 9,267,000
Recurring basis | Fair Value | Other current liabilities | Commodities |  |
Liabilities: |  |
Derivatives | 197,000 | 596,000
Recurring basis | Fair Value | Money market funds | Short-term investments. |  |
Assets: |  |
Available-for-sale securities | 100,648,000 | 142,432,000
Recurring basis | Fair Value | Domestic equity securities | Short-term investments. |  |
Assets: |  |
Trading securities | 158,815,000 |
Recurring basis | Fair Value | Domestic equity securities | Other current assets |  |
Assets: |  |
Trading securities | 34,044,000 | 33,857,000
Recurring basis | Fair Value | High yield trading debt securities | Short-term investments. |  |
Assets: |  |
Trading securities | 122,178,000 | 181,483,000
Recurring basis | Fair Value | Domestic equity mutual fund | Short-term investments. |  |
Assets: |  |
Trading securities | 80,525,000 | 82,542,000
Recurring basis | Fair Value | Domestic equity ETF | Short-term investments. |  |
Assets: |  |
Trading securities | 77,443,000 | 32,651,000
Recurring basis | Fair Value | Foreign equity securities | Short-term investments. |  |
Assets: |  |
Trading securities | 76,669,000 |
Recurring basis | Fair Value | Foreign equity securities | Other current assets |  |
Assets: |  |
Trading securities | 6,246,000 | 6,532,000
Recurring basis | Fair Value | Money market funds held in trading accounts | Short-term investments. |  |
Assets: |  |
Trading securities | 40,152,000 | 21,401,000
Recurring basis | Fair Value | Foreign equity mutual fund | Short-term investments. |  |
Assets: |  |
Trading securities | 19,831,000 |
Recurring basis | Fair Value | Collateralized loan obligation | Short-term investments. |  |
Assets: |  |
Trading securities | 9,791,000 |
Recurring basis | Fair Value | Other | Other current assets |  |
Assets: |  |
Trading securities | 3,104,000 | 2,676,000
Recurring basis | Fair Value | Corporate bonds | Short-term investments. |  |
Assets: |  |
Available-for-sale securities |  | 11,015,000
Recurring basis | Fair Value | U.S. Government agency securities | Short-term investments. |  |
Assets: |  |
Available-for-sale securities |  | 9,666,000
Recurring basis | Fair Value | Other available-for-sale securities | Short-term investments. |  |
Assets: |  |
Available-for-sale securities |  | 3,983,000
Recurring basis | Fair Value | Other trading investments | Short-term investments. |  |
Assets: |  |
Trading securities | 3,391,000 | 5,393,000
Recurring basis | Fair Value | Fixed income mutual funds | Other current assets |  |
Assets: |  |
Trading securities | 3,366,000 | 4,570,000
Recurring basis | Level 1 |  |
Assets: |  |
Total Assets | 612,182,000 | 335,140,000
Liabilities: |  |
Liabilities | 21,739,000 | 1,779,000
Recurring basis | Level 1 | Commodities |  |
Assets: |  |
Derivatives | 9,639,000 | 6,136,000
Liabilities: |  |
Derivatives | 21,739,000 | 1,779,000
Recurring basis | Level 1 | Money market funds | Short-term investments. |  |
Assets: |  |
Available-for-sale securities | 100,648,000 | 142,432,000
Recurring basis | Level 1 | Domestic equity securities | Short-term investments. |  |
Assets: |  |
Trading securities | 158,815,000 |
Recurring basis | Level 1 | Domestic equity securities | Other current assets |  |
Assets: |  |
Trading securities | 34,044,000 | 33,857,000
Recurring basis | Level 1 | Domestic equity mutual fund | Short-term investments. |  |
Assets: |  |
Trading securities | 80,525,000 | 82,542,000
Recurring basis | Level 1 | Domestic equity ETF | Short-term investments. |  |
Assets: |  |
Trading securities | 77,443,000 | 32,651,000
Recurring basis | Level 1 | Foreign equity securities | Short-term investments. |  |
Assets: |  |
Trading securities | 76,669,000 |
Recurring basis | Level 1 | Foreign equity securities | Other current assets |  |
Assets: |  |
Trading securities | 6,246,000 | 6,532,000
Recurring basis | Level 1 | Money market funds held in trading accounts | Short-term investments. |  |
Assets: |  |
Trading securities | 40,152,000 | 21,401,000
Recurring basis | Level 1 | Foreign equity mutual fund | Short-term investments. |  |
Assets: |  |
Trading securities | 19,831,000 |
Recurring basis | Level 1 | Other | Other current assets |  |
Assets: |  |
Trading securities | 2,617,000 | 2,405,000
Recurring basis | Level 1 | Other trading investments | Short-term investments. |  |
Assets: |  |
Trading securities | 2,187,000 | 2,614,000
Recurring basis | Level 1 | Fixed income mutual funds | Other current assets |  |
Assets: |  |
Trading securities | 3,366,000 | 4,570,000
Recurring basis | Level 2 |  |
Assets: |  |
Total Assets | 135,375,000 | 210,872,000
Liabilities: |  |
Liabilities | 10,131,000 | 8,122,000
Recurring basis | Level 2 | Interest rate swaps |  |
Liabilities: |  |
Derivatives | 8,714,000 | 7,715,000
Recurring basis | Level 2 | Foreign currencies |  |
Assets: |  |
Derivatives | 1,715,000 | 1,675,000
Liabilities: |  |
Derivatives | 1,417,000 | 407,000
Recurring basis | Level 2 | High yield trading debt securities | Short-term investments. |  |
Assets: |  |
Trading securities | 122,178,000 | 181,483,000
Recurring basis | Level 2 | Collateralized loan obligation | Short-term investments. |  |
Assets: |  |
Trading securities | 9,791,000 |
Recurring basis | Level 2 | Other | Other current assets |  |
Assets: |  |
Trading securities | 487,000 | 271,000
Recurring basis | Level 2 | Corporate bonds | Short-term investments. |  |
Assets: |  |
Available-for-sale securities |  | 11,015,000
Recurring basis | Level 2 | U.S. Government agency securities | Short-term investments. |  |
Assets: |  |
Available-for-sale securities |  | 9,666,000
Recurring basis | Level 2 | Other available-for-sale securities | Short-term investments. |  |
Assets: |  |
Available-for-sale securities |  | 3,983,000
Recurring basis | Level 2 | Other trading investments | Short-term investments. |  |
Assets: |  |
Trading securities | $ 1,204,000 | $ 2,779,000

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