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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2013 | Jun. 29, 2013 | Jun. 30, 2012 | Jun. 29, 2013 | Jun. 30, 2012 | Mar. 30, 2013 | Dec. 29, 2012
Condensed Consolidated Financial Statements |  |  |  |  |  |  |
Increase in EIP segment sales |  |  | $ 10,034 |  | $ 16,062 |  |
Inventories |  |  |  |  |  |  |
Inventory valued at the lower of cost, determined on the last-in, first-out (LIFO) method, or market (as a percent) |  | 40.00% |  | 40.00% |  |  | 43.00%
Excess of replacement cost of inventories over the LIFO value |  | 42,468 |  | 42,468 |  |  | 45,822
Raw materials and purchased parts |  | 182,907 |  | 182,907 |  |  | 199,808
Work-in-process |  | 39,385 |  | 39,385 |  |  | 36,114
Finished goods and manufactured goods |  | 233,584 |  | 233,584 |  |  | 222,284
Subtotal |  | 455,876 |  | 455,876 |  |  | 458,206
Less: LIFO reserve |  | 42,468 |  | 42,468 |  |  | 45,822
Net inventory |  | 413,408 |  | 413,408 |  |  | 412,384
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries |  |  |  |  |  |  |
United States |  | 98,684 | 68,132 | 187,421 | 130,827 |  |
Foreign |  | 39,531 | 21,732 | 63,703 | 37,703 |  |
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries |  | 138,215 | 89,864 | 251,124 | 168,530 |  |
Accounting policy disclosures |  |  |  |  |  |  |
Shares of common stock available for issuance |  | 1,700,000 |  | 1,700,000 |  |  |
Equity Method Investments |  |  |  |  |  |  |
Proceeds from sale of assets | 29,250 |  |  | 39,054 | 4,867 |  |
Foreign currency translation adjustments |  |  |  | (5,194) |  |  |
Deferred tax benefits |  |  |  |  |  | 3,200 |
Stock option plans |  |  |  |  |  |  |
Accounting policy disclosures |  |  |  |  |  |  |
Compensation expense |  | 1,314 | 1,245 | 2,627 | 2,490 |  |
Income tax benefits |  | $ 505 | $ 479 | $ 1,011 | $ 959 |  |
Maximum | Stock option plans |  |  |  |  |  |  |
Accounting policy disclosures |  |  |  |  |  |  |
Vesting period of options |  |  |  | 6 years |  |  |
Expiration period of grant |  |  |  | 10 years |  |  |
Minimum | Stock option plans |  |  |  |  |  |  |
Accounting policy disclosures |  |  |  |  |  |  |
Vesting period of options |  |  |  | 3 years |  |  |
Expiration period of grant |  |  |  | 6 years |  |  |

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