CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
NET SALES	$ 531,350	$ 491,697	$ 1,483,778	$ 1,335,838
COST OF SALES	445,328	430,069	1,268,153	1,165,925
Gross profit	86,022	61,628	215,625	169,913
GENERAL AND ADMINISTRATIVE EXPENSES	17,855	14,957	53,758	44,890
SELLING EXPENSES	6,462	6,271	20,216	20,361
AMORTIZATION OF INTANGIBLES	5,316	5,471	15,945	16,413
Income from operations	56,389	34,929	125,706	88,249
OTHER INCOME (EXPENSE):
Interest expense	(4,784)	(5,454)	(14,759)	(16,904)
Other, net	(187)	(610)	2,500	(1,626)
Income before income taxes	51,418	28,865	113,447	69,719
INCOME TAX EXPENSE	19,538	10,558	42,445	27,877
Net income	$ 31,880	$ 18,307	$ 71,002	$ 41,842
BASIC NET INCOME PER SHARE	$ 0.48	$ 0.26	$ 1.05	$ 0.60
DILUTED NET INCOME PER SHARE	$ 0.47	$ 0.25	$ 1.01	$ 0.58