Temporary Equity - Redeemable Noncontrolling Interest	9 Months Ended
Temporary Equity - Redeemable Noncontrolling Interest	Sep. 30, 2012
TEMPORARY EQUITY- REDEEMABLE NONCONTROLLING INTEREST [Abstract]
Noncontrolling Interest Disclosure [Text Block]	TEMPORARY EQUITY- REDEEMABLE NONCONTROLLING INTEREST Owners of noncontrolling interests in certain of the Company's subsidiaries have the right in certain circumstances to require it to purchase additional ownership interests in DRX at an amount defined in the applicable agreements. The 25% noncontrolling interest is accounted for as redeemable noncontrolling interest as redemption is outside the Company's control. As such, the redeemable noncontrolling interest is reported in the mezzanine section in the Company's condensed consolidated balance sheets as temporary equity. The aggregate estimated maximum amount the Company could be required to pay in future periods is $13,500. As of September 30, 2012, the carrying amount of the redeemable noncontrolling interests is $11,511. The ultimate amount paid could be different as the redemption amount is primarily dependent on the future results of operations of the subject businesses, and the timing of the exercise of these rights.

The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.

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