Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Product sales			$ 415,850	$ 432,975	$ 430,783
Marketing service fees			46,470	37,146	29,846
Net sales	112,035	123,085	462,320	470,121	460,629
Cost of sales			86,492	92,619	90,461
Gross profit	93,531	99,846	375,828	377,502	370,168
Operating expenses
Sales and marketing			200,343	200,145	200,835
General and administrative			53,827	64,374	72,912
Research and development			28,577	22,861	27,958
Amortization of intangible assets			2,098	2,350	2,213
Charges related to U.S. Government resolutions (Note 16)			1,973	56,463
Total operating expenses			286,818	346,193	303,918
Operating income			89,010	31,309	66,250
Other income and expense
Interest expense, net			(4,577)	(9,456)	(16,217)
Other expense			(1,705)	(2,412)	331
Total other income (expense)			(6,282)	(11,868)	(15,886)
Income (loss) before income taxes			82,728	19,441	50,364
Income tax expense			(28,792)	(21,181)	(22,606)
Net income (loss) from continuing operations, net of tax	14,636	11,530	53,936	(1,740)	27,758
Discontinued operations (Note 15)
Gain on sale of Breg, Inc., net of tax			1,345
Gain on sale of vascular operations, net of tax					12,019
Income (loss) from discontinued operations			(4,012)	1,263	10,015
Income tax benefit (expense)			26	(596)	(5,584)
Net loss from discontinued operations, net of tax	5,878	862	(2,641)	667	16,450
Net income (loss)			51,295	(1,073)	44,208
Net income (loss) per common share-basic:
Net income (loss) from continuing operations, net of tax	$ 0.76	$ 0.62	$ 2.84	$ (0.10)	$ 1.58
Net loss from discontinued operations, net of tax	$ 0.30	$ 0.05	$ (0.14)	$ 0.04	$ 0.93
Net income (loss) per common share-basic	$ 1.06	$ 0.67	$ 2.70	$ (0.06)	$ 2.51
Net income (loss) per common share-diluted:
Net income (loss) from continuing operations, net of tax	$ 0.74	$ 0.62	$ 2.78	$ (0.10)	$ 1.55
Net income loss from discontinued operations, net of tax	$ 0.30	$ 0.04	$ (0.14)	$ 0.04	$ 0.92
Net income (loss) per common share-diluted:	$ 1.04	$ 0.66	$ 2.64	$ (0.06)	$ 2.47
Weighted average number of common shares:
Basic			18,977,263	18,219,343	17,601,956
Diluted			19,390,413	18,219,343	17,913,545
Other Comprehensive income (loss), before tax:
Translation adjustment			480	(3,192)	(1,710)
Unrealized gain (loss) on derivative instrument			416	(693)	(126)
Other Comprehensive income (loss), before tax			896	(3,885)	(1,836)
Income tax related to components of other comprehensive income	(153)	256	(153)	256	36
Other Comprehensive income loss, net of tax			743	(3,629)	(1,800)
Comprehensive income (loss)			$ 52,038	$ (4,702)	$ 42,408