Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Class of Stock [Line Items]
Net sales	$ 791,976	$ 592,880	$ 588,248
Costs of goods sold	497,322	355,523	352,398
Gross profit	294,654	237,357	235,850
Operating expenses:
Selling and service	77,776	57,954	59,823
Research and development	16,476	14,700	10,842
General and administrative	30,012	22,599	14,713
Amortization of intangibles	48,020	51,808	51,960
Trade name write-down	9,389	0	0
Total operating expenses	181,673	147,061	137,338
Income from operations	112,981	90,296	98,512
Other (expense) income:
Interest expense	(23,718)	(27,397)	(70,862)
Gain on extinguishment of debt	0	0	14,745
Write-off of deferred financing costs related to debt extinguishment	(377)	(4,809)	0
Investment income	110	235	2,205
Costs related to acquisition	(875)	0	0
Other, net	(1,155)	(1,105)	(1,206)
Total other expense, net	(26,015)	(33,076)	(55,118)
Income before provision for income taxes	86,966	57,220	43,394
(Benefit) provision for income taxes	(237,677)	307	339
Net income	324,643	56,913	43,055
Preferential distribution to:
Beneficial conversion	0	(140,690)	0
Net income (loss) attributable to common stockholders (formerly Class A common stockholders)	324,643	(97,952)	(71,287)
Series A Preferred Stock [Member]
Preferential distribution to:
Temporary equity	0	(2,042)	(14,151)
Net income (loss) per common share - basic:
Common stock (in dollars per share)	$ 4.84	$ (1.65)	$ (41,111.00)
Net income (loss) per common share - diluted:
Common stock (in dollars per share)	$ 4.79	$ (1.65)	$ (41,111.00)
Weighted average common shares outstanding - basic:
Common stock (in shares)	67,130,356	59,364,958	1,734
Weighted average common shares outstanding - diluted:
Common stock (in shares)	67,797,371	59,364,958	1,734
Common Class B [Member]
Other (expense) income:
Net income	0	0	0
Preferential distribution to:
Temporary equity	0	(12,133)	(100,191)
Beneficial conversion		$ 0
Net income (loss) per common share - basic:
Common stock (in dollars per share)		$ 505.00	$ 4,171.00
Net income (loss) per common share - diluted:
Common stock (in dollars per share)		$ 505.00	$ 4,171.00
Weighted average common shares outstanding - basic:
Common stock (in shares)		24,018	24,018
Weighted average common shares outstanding - diluted:
Common stock (in shares)		24,018	24,018