CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
NET SALES	$ 491,697	$ 439,977	$ 1,335,838	$ 1,177,332
COST OF SALES	430,069	378,480	1,165,925	1,014,796
Gross profit	61,628	61,497	169,913	162,536
GENERAL AND ADMINISTRATIVE EXPENSES	14,957	14,559	44,890	43,208
SELLING EXPENSES	6,271	7,628	20,361	23,029
AMORTIZATION OF INTANGIBLES	5,471	5,454	16,413	16,278
ACQUISITION EXPENSES	0	26	0	883
Income from operations	34,929	33,830	88,249	79,138
OTHER INCOME (EXPENSE):
Interest expense	(5,454)	(6,252)	(16,904)	(20,364)
Other, net	(610)	(605)	(1,626)	1,300
Income before income taxes	28,865	26,973	69,719	60,074
INCOME TAX EXPENSE	10,558	10,737	27,877	23,968
Net income	$ 18,307	$ 16,236	$ 41,842	$ 36,106
BASIC NET INCOME PER SHARE	$ 0.26	$ 0.24	$ 0.60	$ 0.52
DILUTED NET INCOME PER SHARE	$ 0.25	$ 0.23	$ 0.58	$ 0.52