Equity-Based Compensation (CPE Inc. only) (Tables)

12 Months Ended

Dec. 31, 2012

Equity-Based Compensation (CPE Inc. only)

Schedule of total equity-based compensation expense recognized in entity's consolidated statements of operations

Total equity-based compensation expense recognized primarily within selling, general, and administrative expenses in our consolidated statements of operations was as follows for the years ended December 31 (in thousands):

	2012		2011		2010
Total equity-based compensation expense	$	11,796	$	8,796	$	7,234

Schedule of restricted stock activity

A summary of restricted stock award activity is as follows (in thousands):

	Number			Weighted Average Grant-Date Fair Value (per share)
Non-vested shares at January 1, 2012		936		$	15.75
Granted		161			17.61
Vested		(776	)		15.08
Forfeited		(17	)		15.56
Non-vested shares at December 31, 2012		304		$	18.46

Summary of performance based share unit awards activity

A summary of performance-based share unit award activity is as follows (in thousands):

	Number			Weighted Average Grant-Date Fair Value (per share)
Non-vested units at January 1, 2012		159		$	20.12
Granted		220			17.61
Forfeited		(2	)		18.58
Vested		—			—
Non-vested units at December 31, 2012		376		$	18.66

Summary of non-qualified stock option activity

A summary of non-qualified stock option activity is as follows (in thousands except per share amounts):

	Number			Weighted Average Exercise Price (per option)		Weighted Average Contractual Term (years)		Aggregate Intrinsic Value(1)
Options outstanding at January 1, 2012		1,138		$	15.77		8.06
Granted		207
Exercised		(4	)					$	19
Forfeited		(9	)
Options outstanding at December 31, 2012		1,332		$	15.95		7.38	$	4,720
Exercisable at December 31, 2012		941		$	15.00		6.89	$	4,075
Vested and expected to vest at December 31, 2012		1,319		$	15.94		7.37	$	4,692

(1)

The intrinsic value of a stock option is the amount by which the market value of the underlying stock exceeds the exercise price of the option at year-end.

Schedule of assumptions used to estimate the fair value of options granted

	2012			2011			2010
Weighted-average grant date fair value (per option)	$	9.05		$	12.47		$	9.34
Assumptions:
Risk-free interest rate		1.7	%		2.9	%		3.0	%
Expected option life		6.5 years			6.5 years			6.5 years
Expected volatility		53.6	%		59.5	%		57.0	%

Schedule of compensation costs related to the ESPP

	2012		2011
Unrecognized compensation expense	$	0.3	$	0.3
Recognized compensation expense		0.1		0.1
Total ESPP compensation expense	$	0.4	$	0.4

Schedule of fair value of each purchase right granted under the Employee Stock Purchase Plan

	2012			2011
Weighted-average fair value (per award)	$	5.51		$	6.04
Assumptions:
Risk-free interest rate		0.2	%		0.1	%
Expected option life		1.0			1.0
Expected volatility		44.7	%		43.0	%