CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
CONSOLIDATED CONDENSED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (Unaudited) [Abstract]
NET SALES	$ 553,998	$ 554,494
COST OF GOODS SOLD	487,986	496,676
GROSS PROFIT	66,012	57,818
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	53,908	48,228
ANTI-DUMPING DUTY ASSESSMENT	0	639
NET GAIN ON DISPOSITION OF ASSETS	(524)	(106)
EARNINGS FROM OPERATIONS	12,628	9,057
INTEREST EXPENSE	1,066	1,245
INTEREST INCOME	(290)	(147)
EQUITY IN EARNINGS (LOSS) OF INVESTEE	(51)	(42)
NON-OPERATING (INCOME)/EXPENSE	725	1,056
EARNINGS BEFORE INCOME TAXES	11,903	8,001
INCOME TAXES	4,235	2,245
NET EARNINGS	7,668	5,756
LESS NET EARNINGS ATTRIBUTABLE TO NONCONTROLLING INTEREST	(452)	(532)
NET EARNINGS ATTRIBUTABLE TO CONTROLLING INTEREST	7,216	5,224
EARNINGS PER SHARE - BASIC (in dollars per share)	$ 0.36	$ 0.26
EARNINGS PER SHARE - DILUTED (in dollars per share)	$ 0.36	$ 0.26
FOREIGN CURRENCY TRANSLATION ADJUSTMENT	(696)	415
COMPREHENSIVE INCOME	6,972	6,171
LESS COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	(358)	(828)
COMPREHENSIVE INCOME ATTRIBUTABLE TO CONTROLLING INTERST	$ 6,614	$ 5,343