Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders' Equity Note [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The Company recognized stock-based compensation expense in its Consolidated Financial Statements in the three months ended June 30, 2012 and 2011, respectively, as follows:



	Three Months Ended
	June 30,
	2012			2011
Stock-based compensation expense	$	3,865		$	3,810
Less: Deferred tax benefit	(1,376		)	(1,427		)
Stock-based compensation expense, net of tax	$	2,489		$	2,383

The Company recognized stock-based compensation expense in its Consolidated Financial Statements in the six months ended June 30, 2012 and 2011, respectively, as follows:



	Six Months Ended
	June 30,
	2012			2011
Stock-based compensation expense	$	7,898		$	7,542
Less: Deferred tax benefit	(2,808		)	(2,825		)
Stock-based compensation expense, net of tax	$	5,090		$	4,717

Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]

The Company estimates that compensation cost will be recognized according to the following schedule:



Period	Stock-Based Compensation Expense
Remainder of 2012	$	7,639
2013	12,715
2014	12,521
2015	3,850
2016	2,359
2017	2,313
	$	41,397

Schedule Of Reconciliation Of Noncontrolling Interest On The Consolidated Balance Sheet

The following table provides a reconciliation of Noncontrolling interest on the Consolidated Balance Sheet for the period from January 1, 2012 to June 30, 2012:



	Noncontrolling interest
Balance, January 1, 2012	$	16,143
Net income attributable to noncontrolling interest	454
Foreign currency translation adjustments	329
Balance, June 30, 2012	$	16,926

The following table provides a reconciliation of Noncontrolling interest on the Consolidated Balance Sheet for the period from January 1, 2011 to June 30, 2011:



	Noncontrolling interest
Balance, January 1, 2011	$	15,155
Net income attributable to noncontrolling interest	822
Foreign currency translation adjustments	925
Balance, June 30, 2011	$	16,902