Business Combinations Business Combinations Narrative (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2012 years	May 01, 2012
Business Acquisition [Line Items]
Percentage of SmartSynch Voting Interests Acquired			100.00%
Business acquisition purchase price, net of cash acquired			$ 78,700,000
Cash acquired from acquisition	6,800,000
Business acquisition, original estimated purchase price			100,000,000
Estimated cost to complete IPR&D projects	3,100,000	3,100,000
Acquired IPR&D Projects, Upon Completion, Expected Weighted Average Useful Life		7
Goodwill			42,620,000
Acquisition related costs	900,000	2,900,000
Elimination of Acquisition Related Expenses [Member]
Business Acquisition [Line Items]
Significant non-recurring pro forma adjustments, net of estiamted tax	$ 3,800,000	$ 5,100,000

Acquired IPR&D Projects, Upon Completion, Expected Weighted Average Useful Life

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Business acquisition, original estimated purchase price

+ References

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Estimated cost to complete IPR&D projects

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- Definition

The amount of significant non-recurring pro forma adjustments, net of estimated tax, eliminated from the combined results of the acquirer and acquiree in a business combination during the period for which pro forma information is presented.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired in the business combination.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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-Publisher FASB

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-Paragraph 52

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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- Definition

This element represents the acquisition-date fair value of any tangible or intangible assets, including a business or subsidiary of the acquirer, but excluding cash, transferred by the entity to the former owners of the acquire.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15, 16, 17

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