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