Business Combinations Xinye Acquisition (Details)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jun. 08, 2013 Nanjing Xinye [Member] USD ($)	Jun. 08, 2013 Nanjing Xinye [Member] CNY
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired			80.00%	80.00%
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			$ 2,965,000	18,300,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			20.00%	20.00%
Business Acquisition, Fair Value Of Net Assets Acquired Excluding Goodwill				16,400,000
Goodwill	$ 398,931,000	$ 398,905,000		1,900,000

Business Acquisition, Fair Value Of Net Assets Acquired Excluding Goodwill

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

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-Paragraph 1

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

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