Income Taxes Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Schedule of unrecognized tax beneits [Abstract] | ||
| Beginning Balance | $ 77,525 | $ 71,595 |
| Acquisitions | 37,328 | |
| Addition for tax positions taken in prior periods | 3,924 | 3,752 |
| Addition for tax positions taken in current period | 924 | 894 |
| Reduction for tax positions taken in prior periods | (23,616) | (27,601) |
| Other, including the impact of foreign currency translation | (5,879) | (8,443) |
| Ending Balance | $ 52,878 | $ 77,525 |
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- Definition Schedule of unrecognized tax beneits [Abstract] No definition available.
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- Definition Gross amount of other unrecognized tax benefits including the impact of foreign currency translation. No definition available.
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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