CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
NET SALES	$ 486,021	$ 413,126	$ 844,141	$ 737,355
COST OF SALES	424,408	354,273	735,856	636,316
Gross profit	61,613	58,853	108,285	101,039
GENERAL AND ADMINISTRATIVE EXPENSES	15,461	14,974	29,933	28,649
SELLING EXPENSES	6,826	7,734	14,090	15,401
AMORTIZATION OF INTANGIBLES	5,471	5,454	10,942	10,824
ACQUISITION EXPENSES	0	239	0	857
Income from operations	33,855	30,452	53,320	45,308
OTHER INCOME (EXPENSE):
Interest expense	(5,733)	(6,577)	(11,450)	(14,112)
Other, net	(1,048)	(333)	(1,016)	1,905
Income before income taxes	27,074	23,542	40,854	33,101
INCOME TAX EXPENSE	10,835	9,407	17,319	13,231
Net income	$ 16,239	$ 14,135	$ 23,535	$ 19,870
BASIC NET INCOME PER SHARE	$ 0.23	$ 0.20	$ 0.34	$ 0.29
DILUTED NET INCOME PER SHARE	$ 0.23	$ 0.20	$ 0.33	$ 0.29