Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except 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	$ 362,609	$ 346,688	$ 704,617	$ 746,260
Costs of goods sold	234,597	215,735	457,091	461,845
Gross profit	128,012	130,953	247,526	284,415
Operating expenses:
Selling and service	29,115	27,072	57,084	58,753
Research and development	8,012	7,064	15,758	13,709
General and administrative	12,503	14,039	25,651	26,465
Amortization of intangible assets	5,099	6,345	10,444	12,530
Gain on remeasurement of contingent consideration	(4,877)		(4,877)
Total operating expenses	49,852	54,520	104,060	111,457
Income from operations	78,160	76,433	143,466	172,958
Other (expense) income:
Interest expense	(11,428)	(14,263)	(23,117)	(29,938)
Investment income	42	25	81	42
Loss on extinguishment of debt		(13,497)		(15,336)
Gain on change in contractual interest rate	16,014		16,014
Other, net	(366)	(1,909)	202	(1,513)
Total other (expense) income, net	4,262	(29,644)	(6,820)	(46,745)
Income before provision for income taxes	82,422	46,789	136,646	126,213
Provision for income taxes	28,397	18,535	47,920	47,285
Net income	54,025	28,254	88,726	78,928
Net income per common share - basic: (in Dollars per share)	$ 0.79	$ 0.41	$ 1.30	$ 1.16
Weighted average common shares outstanding - basic: (in Shares)	68,538,251	68,140,330	68,481,682	68,003,164
Net income per common share - diluted: (in Dollars per share)	$ 0.77	$ 0.40	$ 1.27	$ 1.13
Weighted average common shares outstanding - diluted: (in Shares)	70,087,976	69,809,599	70,088,438	69,801,498
Dividends declared per share (in Dollars per share)		$ 5.00		$ 5.00
Comprehensive income	$ 52,730	$ 29,276	$ 87,002	$ 80,952