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Defined Contribution Plans	12 Months Ended
Defined Contribution Plans	Dec. 31, 2012
Defined Contribution Plans [Abstract]
Pension and Other Postretirement Benefits Disclosure [Text Block]	Defined Contribution Plans The Company sponsors two Retirement and Savings Plans which are defined contribution plans pursuant to Section 401(k) of the Internal Revenue Code (the "401k Plans"). All full-time employees of the Company can contribute on a tax deferred basis to the 401k Plans up to 100% of their annual compensation, subject to certain limitations. The Company provides matching contributions for certain employees that are equal to a specified percentage of the eligible participant's contribution as defined by the 401k Plans. For the years ended December 31, 2012, 2011, and 2010, the Company's contributions to the Plans were $1.4 million, $1.5 million and $1.6 million, respectively.

The entire disclosure for pension and other postretirement benefits.

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