SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013 Segment	Sep. 29, 2012
SEGMENT REPORTING [Abstract]
Number of reporting segments			4
Segment Reporting Information [Line Items]
Net sales to outside customers	$ 651,780	$ 533,366	$ 1,944,711	$ 1,584,170
Intersegment net sales	28,620	21,504	92,260	74,922
Segment operating profit (loss)	24,527	8,310	60,702	45,622
Eastern and Western [Member]
Segment Reporting Information [Line Items]
Net sales to outside customers	523,364	425,260	1,570,073	1,268,162
Intersegment net sales	21,246	13,455	69,179	49,387
Segment operating profit (loss)	18,628	6,149	54,412	45,395
Site-Built [Member]
Segment Reporting Information [Line Items]
Net sales to outside customers	70,579	59,630	202,590	160,561
Intersegment net sales	4,406	5,040	13,168	13,916
Segment operating profit (loss)	3,993	394	2,163	858
All Other [Member]
Segment Reporting Information [Line Items]
Net sales to outside customers	57,837	48,476	172,048	155,447
Intersegment net sales	2,968	3,009	9,913	11,619
Segment operating profit (loss)	630	(2,874)	1,543	(4,150)
Corporate [Member]
Segment Reporting Information [Line Items]
Net sales to outside customers	0	0	0	0
Intersegment net sales	0	0	0	0
Segment operating profit (loss)	$ 1,276	$ 4,641	$ 2,584	$ 3,519