Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ 42,838	$ (18,110)	$ 44,296
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	20,580	23,017	22,087
Amortization of debt costs	1,737	1,239	471
Provision for doubtful accounts	10,572	12,936	8,616
Deferred income taxes	(1,252)	(52)	591
Share-based compensation	6,303	6,648	8,138
Loss on refinancing of credit facility			550
Gain on interest rate swap			(1,254)
Gain on sale of Breg, Inc, net of tax	(1,345)
Net gain on sale of vascular operations, net of tax			(8,521)
Excess income tax benefit on employee stock-based awards	(1,020)	(1,737)	(2,417)
Income tax benefit on employee stock-based awards	2,910
Other	4,136	4,491	4,439
Changes in operating assets and liabilities, net of effect of dispositions:
Trade accounts receivable	(18,438)	293	(16,645)
Inventories	(2,495)	(12,624)	9,767
Escrow receivable	41,537	(32,562)	(2,049)
Prepaid expenses and other current assets	(15,577)	2,829	(4,378)
Trade accounts payable	4,575	2,322	(2,866)
Charges related to U.S. Government resolutions	(83,178)	89,101
Other current liabilities	(5,729)	1,419	(9,695)
Other long-term assets	3,416	(17,307)	(744)
Other long-term liabilities	616	2,878	(8,073)
Net cash provided by operating activities	10,186	64,781	42,313
Cash flows from investing activities:
Capital expenditures for property, plant and equipment	(27,994)	(24,965)	(25,844)
Capital expenditures for intangible assets	(780)	(793)	(517)
Payment made in connection with acquisition		(5,250)
Net proceeds from sale of Breg Inc.	153,773
Net proceeds from the sale of vascular operations			24,215
Net cash provided by (used in) investing activities	124,999	(31,008)	(2,146)
Cash flows from financing activities:
Net proceeds from issuance of common shares	25,586	20,113	7,854
Payment of refinancing fees and debt issuance costs		(758)	(4,266)
Repayments of long-term debt	(188,695)	(7,500)	(36,269)
Proceeds from (repayment of) bank borrowings, net	(1,297)	(2,561)	1,723
Changes in restricted cash	25,799	(24,178)	(11,290)
Cash payment for purchase of minority interest in subsidiary		(517)
Excess income tax benefit on employee stock-based awards	1,020	1,737	2,417
Net cash used in financing activities	(137,587)	(13,664)	(39,831)
Effect of exchange rate changes on cash	250	(463)	(103)
Net increase (decrease) in cash and cash equivalents	(2,152)	19,646	233
Cash and cash equivalents at the beginning of the year	33,207	13,561	13,328
Cash and cash equivalents at the end of the year	31,055	33,207	13,561
Cash paid during the year for:
Interest	4,569	17,088	16,032
Income taxes	$ 18,268	$ 26,227	$ 29,743