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14. Segment Reporting (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number Of Products And Services |  |  |  |  |  |  |  |  | 8,000 |  |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  |  |  |  |  |  |  |  | $ 222,931,000 | $ 235,762,000 | $ 220,283,000
Net sales | 573,800,000 | 498,700,000 | 510,400,000 | 486,300,000 | 550,200,000 | 516,500,000 | 521,700,000 | 485,100,000 | 2,069,235,000 | 2,073,529,000 | 1,927,118,000
Allocated interest expense |  |  |  |  |  |  |  |  | (51,112,000) | (53,135,000) | (63,717,000)
Depreciation and amortization |  |  |  |  |  |  |  |  | 130,400,000 | 121,000,000 | 108,900,000
Segment profit |  |  |  |  |  |  |  |  | 257,200,000 | 295,156,000 | 284,009,000
Life Science [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 688,400,000 | 694,700,000 | 648,100,000
Allocated interest expense |  |  |  |  |  |  |  |  | 13,100,000 | 14,000,000 | 17,100,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 26,300,000 | 17,300,000 | 15,000,000
Segment profit |  |  |  |  |  |  |  |  | 11,400,000 | 45,700,000 | 51,100,000
Segment assets | 353,100,000 |  |  |  | 357,400,000 |  |  |  | 353,100,000 | 357,400,000 |
Capital expenditures |  |  |  |  |  |  |  |  | 17,300,000 | 15,400,000 |
Clinical Diagnostics [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,365,500,000 | 1,363,800,000 | 1,265,300,000
Allocated interest expense |  |  |  |  |  |  |  |  | 37,800,000 | 38,900,000 | 46,400,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 92,900,000 | 93,200,000 | 84,900,000
Segment profit |  |  |  |  |  |  |  |  | 197,800,000 | 197,900,000 | 171,400,000
Segment assets | 917,000,000 |  |  |  | 854,800,000 |  |  |  | 917,000,000 | 854,800,000 |
Capital expenditures |  |  |  |  |  |  |  |  | 76,800,000 | 71,600,000 |
All Other Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 15,300,000 | 15,000,000 | 13,700,000
Allocated interest expense |  |  |  |  |  |  |  |  | 200,000 | 200,000 | 200,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 100,000 | 200,000 | 200,000
Segment profit |  |  |  |  |  |  |  |  | 1,600,000 | 1,200,000 | 1,400,000
Segment assets | 4,400,000 |  |  |  | 5,700,000 |  |  |  | 4,400,000 | 5,700,000 |
Capital expenditures |  |  |  |  |  |  |  |  | 100,000 | 0 |
Reportable Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment profit |  |  |  |  |  |  |  |  | 210,800,000 | 244,800,000 | 223,900,000
Segment assets | $ 1,274,500,000 |  |  |  | $ 1,217,900,000 |  |  |  | $ 1,274,500,000 | $ 1,217,900,000 |

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