Business Combinations Wuxi Acquisition (Details)	Sep. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	May 27, 2014 Wuxi [Member] USD ($)	May 27, 2014 Wuxi [Member] CNY
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired			100.00%	100.00%
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			$ 11,943,000	73,300,000
Business Acquisition, Fair Value Of Net Assets Acquired Excluding Goodwill				15,600,000
Goodwill	$ 406,345,000	$ 398,905,000		57,700,000