Capital Stock and Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Performance and Market-Based Stock Awards

Share Based Compensation

Schedule of Stock-Based Activities

	Number of units			Weighted average grant date fair value
Non-vested at December 31, 2011		734,563		$	6.34
Granted during the period		507,817			6.00
Vested during the period		(139,845	)		6.96
Forfeited during the period		(32,646	)		6.73
Non-vested at December 31, 2012		1,069,889		$	6.09

Time-Based Stock Awards

Share Based Compensation

Schedule of Stock-Based Activities

	Number of units			Weighted average grant date fair value
Non-vested at December 31, 2011		546,543		$	6.11
Granted during the period		350,300			6.07
Vested during the period		(289,966	)		5.86
Forfeited during the period		(58,595	)		6.41
Non-vested at December 31, 2012		548,282		$	6.19