Segments - Reconciliation of Other Expenses from Segments to Consolidated (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
Segment Reporting Information [Line Items] | ||||
Depreciation and amortization expense | $ 24,986 | $ 23,719 | $ 49,626 | $ 46,990 |
Operating Segments | Product Development
|
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Segment Reporting Information [Line Items] | ||||
Depreciation and amortization expense | 18,601 | 16,508 | 37,048 | 32,387 |
Operating Segments | Integrated Healthcare Services
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Segment Reporting Information [Line Items] | ||||
Depreciation and amortization expense | 5,267 | 6,119 | 10,620 | 12,411 |
Corporate, Non-Segment | Corporate
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Segment Reporting Information [Line Items] | ||||
Depreciation and amortization expense | $ 1,118 | $ 1,092 | $ 1,958 | $ 2,192 |