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Segment Reporting and Foreign Operations (Tables) | 12 Months Ended
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Dec. 31, 2012
Segment Reporting [Abstract] |
Revenue from External Customers by Products and Services [Table Text Block] | Listed below are the sales by business segment for the years ended December 31, 2012, 2011 and 2010 (in thousands):
| % Change |  | 2012 |  | % Change |  | 2011 |  | % Change |  | 2010
Cardiovascular |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stand-alone devices | 12 | % |  | $ | 114,242 |  |  | 15 | % |  | $ | 101,959 |  |  | 16 | % |  | $ | 88,586 |
Custom kits and procedure trays | 3 | % |  | 94,586 |  |  | 11 | % |  | 91,532 |  |  | 11 | % |  | 82,799 |
Inflation devices | 2 | % |  | 68,979 |  |  | 8 | % |  | 67,353 |  |  | 2 | % |  | 62,495 |
Catheters | 17 | % |  | 64,878 |  |  | 23 | % |  | 55,357 |  |  | 18 | % |  | 44,824 |
Embolization devices | 8 | % |  | 33,870 |  |  | 247 | % |  | 31,229 |  |  | — | % |  | 9,003 |
CRM/EP | — | % |  | 1,938 |  |  | — | % |  | — |  |  | — | % |  | — |
Total | 9 | % |  | 378,493 |  |  | 21 | % |  | 347,430 |  |  | 15 | % |  | 287,707 |
Endoscopy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Endoscopy devices | 31 | % |  | 15,795 |  |  | 33 | % |  | 12,019 |  |  | 18 | % |  | 9,048 |
Total | 10 | % |  | $ | 394,288 |  |  | 21 | % |  | $ | 359,449 |  |  | 15 | % |  | $ | 296,755 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] | Our long-lived assets by geographic area at December 31, 2012, 2011 and 2010, consisted of the following (in thousands):
| 2012 |  | 2011 |  | 2010
United States | $ | 176,644 |  |  | $ | 134,393 |  |  | $ | 97,881 |
Ireland | 48,182 |  |  | 36,008 |  |  | 22,203 |
Other foreign countries | 9,977 |  |  | 8,739 |  |  | 7,971 |
Total | $ | 234,803 |  |  | $ | 179,140 |  |  | $ | 128,055 |
Schedule of Segment Reporting Information, by Segment [Table Text Block] | Financial information relating to our reportable operating segments and reconciliations to the consolidated totals for the years ended December 31, 2012, 2011 and 2010, are as follows (in thousands):
| 2012 |  | 2011 |  | 2010
Revenues |  |  |  |  |  |  |  |
Cardiovascular | $ | 378,493 |  |  | $ | 347,430 |  |  | $ | 287,707 |
Endoscopy | 15,795 |  |  | 12,019 |  |  | 9,048 |
Total revenues | 394,288 |  |  | 359,449 |  |  | 296,755 |
Operating expenses |  |  |  |  |  |  |  |
Cardiovascular | 142,089 |  |  | 122,600 |  |  | 93,884 |
Endoscopy | 10,262 |  |  | 9,678 |  |  | 9,066 |
Total operating expenses | 152,351 |  |  | 132,278 |  |  | 102,950 |
Goodwill impairment charge |  |  |  |  |  |  |  |
Cardiovascular | — |  |  | — |  |  | — |
Endoscopy | — |  |  | — |  |  | 8,344 |
Total goodwill impairment charge | — |  |  | — |  |  | 8,344 |
Operating income (loss) |  |  |  |  |  |  |  |
Cardiovascular | 30,411 |  |  | 38,010 |  |  | 30,176 |
Endoscopy | (770 | ) |  | (4,820 | ) |  | (12,972 | )
Total operating income | 29,641 |  |  | 33,190 |  |  | 17,204 |
Total other expense - net | (2,023 | ) |  | (315 | ) |  | (416 | )
Income tax expense | 7,908 |  |  | 9,831 |  |  | 4,328 |
Net income | $ | 19,710 |  |  | $ | 23,044 |  |  | $ | 12,460 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] | Total assets by business segment at December 31, 2012, 2011 and 2010, consisted of the following (in thousands):
| 2012 |  | 2011 |  | 2010
Cardiovascular | $ | 692,689 |  |  | $ | 434,747 |  |  | $ | 355,718 |
Endoscopy | 12,620 |  |  | 12,270 |  |  | 13,762 |
Total | $ | 705,309 |  |  | $ | 447,017 |  |  | $ | 369,480 |
Segment Depreciation And Amortization [Table Text Block] | Total depreciation and amortization by business segment for the years ended December 31, 2012, 2011 and 2010, consisted of the following (in thousands):
| 2012 |  | 2011 |  | 2010
Cardiovascular | $ | 21,441 |  |  | $ | 18,219 |  |  | $ | 13,851 |
Endoscopy | 1,093 |  |  | 975 |  |  | 1,005 |
Total | $ | 22,534 |  |  | $ | 19,194 |  |  | $ | 14,856 |
Segment Capital Expenditures [Table Text Block] | Total capital expenditures by business segment for the years ended December 31, 2012, 2011 and 2010, consisted of the following (in thousands):
| 2012 |  | 2011 |  | 2010
Cardiovascular | $ | 64,059 |  |  | $ | 58,775 |  |  | $ | 23,494 |
Endoscopy | 584 |  |  | 420 |  |  | 154 |
Total | $ | 64,643 |  |  | $ | 59,195 |  |  | $ | 23,648 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 37 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 + Details
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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 38 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27, 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 + Details
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