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Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2013
Accounting Policies [Abstract] |
Revisions in the Balance Sheet Line Items | The tables below reflect the revisions in the balance sheet line items for the periods ended December 31, 2012 and 2011.
|  | December 31, 2012 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Other assets |  | $ | 11,692 |  |  | $ | 17,720 |  |  | $ | 29,412 |
Other liabilities |  | $ | 43,375 |  |  | $ | 17,720 |  |  | $ | 61,095 |
|  | December 31, 2011 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Other assets |  | $ | 12,266 |  |  | $ | 15,281 |  |  | $ | 27,547 |
Other liabilities |  | $ | 32,211 |  |  | $ | 15,281 |  |  | $ | 47,492 |
Revision of Other Assets and Other Liabilities | The tables below reflect the sections in certain footnotes that were affected by the revision for the periods ended December 31, 2012 and 2011. Other Assets
|  | December 31, 2012 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Deferred tax assets, net |  | $ | 9,497 |  |  | $ | — |  |  | $ | 9,497 |
Long-term income tax receivable |  |  | — |  |  |  | 17,720 |  |  |  | 17,720 |
Other |  |  | 2,195 |  |  |  | — |  |  |  | 2,195 |
|  | $ | 11,692 |  |  | $ | 17,720 |  |  | $ | 29,412 |
|  | December 31, 2011 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Deferred tax assets, net |  | $ | 10,274 |  |  | $ | — |  |  | $ | 10,274 |
Long-term income tax receivable |  |  | — |  |  |  | 15,281 |  |  |  | 15,281 |
Other |  |  | 1,992 |  |  |  | — |  |  |  | 1,992 |
|  | $ | 12,266 |  |  | $ | 15,281 |  |  | $ | 27,547 |
Other Liabilities
|  | December 31, 2012 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Long-term income tax payable |  | $ | 20,880 |  |  | $ | 17,720 |  |  | $ | 38,600 |
Accrued compensation |  |  | 18,750 |  |  |  | — |  |  |  | 18,750 |
Other |  |  | 3,745 |  |  |  | — |  |  |  | 3,745 |
|  | $ | 43,375 |  |  | $ | 17,720 |  |  | $ | 61,095 |
|  | December 31, 2011 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Long-term income tax payable |  | $ | 16,084 |  |  | $ | 15,281 |  |  | $ | 31,365 |
Accrued compensation |  |  | 15,174 |  |  |  | — |  |  |  | 15,174 |
Other |  |  | 953 |  |  |  | — |  |  |  | 953 |
|  | $ | 32,211 |  |  | $ | 15,281 |  |  | $ | 47,492 |
Revision of Income Taxes | Income Taxes
|  | December 31, 2012 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Current taxes: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 10,431 |  |  | $ | 4,314 |  |  | $ | 14,745 |
State |  |  | 783 |  |  |  | — |  |  |  | 783 |
Foreign |  |  | 12,074 |  |  |  | (4,314 | ) |  |  | 7,760 |
|  | $ | 23,288 |  |  | $ | — |  |  | $ | 23,288 |
|  | December 31, 2011 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Current taxes: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 25,824 |  |  | $ | 15,032 |  |  | $ | 40,856 |
State |  |  | 2,602 |  |  |  | — |  |  |  | 2,602 |
Foreign |  |  | 20,346 |  |  |  | (15,032 | ) |  |  | 5,314 |
|  | $ | 48,772 |  |  | $ | — |  |  | $ | 48,772 |
|  | December 31, 2010 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Current taxes: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 27,789 |  |  | $ | 8,807 |  |  | $ | 36,596 |
State |  |  | 3,323 |  |  |  | — |  |  |  | 3,323 |
Foreign |  |  | 22,296 |  |  |  | (8,807 | ) |  |  | 13,489 |
|  | $ | 53,408 |  |  | $ | — |  |  | $ | 53,408 |
Reconciliation of Segment Assets to Consolidated Total Assets | A reconciliation of segment assets to consolidated total assets is as follows:
|  | December 31, 2012 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Total segment assets |  | $ | 216,699 |  |  | $ | — |  |  | $ | 216,699 |
Cash and cash equivalents and investments |  |  | 627,399 |  |  |  | — |  |  |  | 627,399 |
Other current assets |  |  | 36,242 |  |  |  | — |  |  |  | 36,242 |
Property, plant and equipment, net |  |  | 80,516 |  |  |  | — |  |  |  | 80,516 |
Goodwill and intangible assets, net |  |  | 162,294 |  |  |  | — |  |  |  | 162,294 |
Other assets |  |  | 11,692 |  |  |  | 17,720 |  |  |  | 29,412 |
Consolidated total assets |  | $ | 1,134,842 |  |  | $ | 17,720 |  |  | $ | 1,152,562 |
|  | December 31, 2011 |
|  | As previously reported |  |  | Adjustment |  |  | As revised |
Total segment assets |  | $ | 274,526 |  |  | $ | — |  |  | $ | 274,526 |
Cash and cash equivalents and investments |  |  | 573,392 |  |  |  | — |  |  |  | 573,392 |
Other current assets |  |  | 44,856 |  |  |  | — |  |  |  | 44,856 |
Property, plant and equipment, net |  |  | 72,487 |  |  |  | — |  |  |  | 72,487 |
Goodwill and intangible assets, net |  |  | 141,127 |  |  |  | — |  |  |  | 141,127 |
Other assets |  |  | 12,266 |  |  |  | 15,281 |  |  |  | 27,547 |
Consolidated total assets |  | $ | 1,118,654 |  |  | $ | 15,281 |  |  | $ | 1,133,935 |

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