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. 28, 2014	Jun. 29, 2013	Mar. 30, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013
Inventories
Inventory valued at the lower of cost, determined on the last-in, first-out (LIFO) method, or market (as a percent)		41.00%			41.00%		43.00%
Excess of replacement cost of inventories over the LIFO value		$ 47,141			$ 47,141		$ 45,204
Raw materials and purchased parts		178,366			178,366		179,576
Work-in-process		27,242			27,242		27,294
Finished goods and manufactured goods		223,476			223,476		218,334
Subtotal		429,084			429,084		425,204
Less: LIFO reserve		47,141			47,141		45,204
Net inventory		381,943			381,943		380,000
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries
United States		65,096	98,684		136,790	187,421
Foreign		34,856	39,531		49,740	63,703
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries		99,952	138,215		186,530	251,124
Accounting policy disclosures
Shares of common stock available for issuance		1,463,096			1,463,096
Equity Method Investments
Proceeds from sale of assets	29,250				1,151	39,054
Foreign currency translation adjustments				5,194		5,194
Deferred tax benefits				3,200
Stock option plans
Accounting policy disclosures
Compensation expense (included in selling, general and administrative expenses)		1,262	1,314		2,525	2,627
Tax benefits associated with compensation expense		$ 486	$ 505		$ 972	$ 1,011
Minimum | Stock option plans
Accounting policy disclosures
Vesting period of options					3 years
Expiration period of grant					6 years
Maximum | Stock option plans
Accounting policy disclosures
Vesting period of options					6 years
Expiration period of grant					10 years