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STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2012

STOCK-BASED COMPENSATION

Schedule of weighted average assumptions

		Three Months Ended March 31, 2012
Expected life in years		4.5
Risk-free interest rate		0.78	%
Volatility		47.96	%
Dividend yield		0.0	%

Summary of stock option activity

		Stock Options		Weighted Average Exercise Price			Weighted Average Remaining Life		Aggregate Intrinsic Value
Options outstanding, December 31, 2011		3,271		$	27.39
Granted		153		14.36
Cancelled		(365	)	22.65
Options outstanding, March 31, 2012		3,059		27.30			4.9		$	1,637
Options exercisable, March 31, 2012		2,056		33.38			3.5		—

Schedule of restricted stock, restricted stock unit and cash settled restricted stock unit activity

		Shares		Weighted Average Grant-Date Fair Value Per Share
Non-vested awards, December 31, 2011		1,670		$	19.49
Granted		1,212		14.31
Vested		(598	)	20.54
Cancelled		(50	)	22.02
Non-vested awards, March 31, 2012		2,234		16.34

Schedule of phantom unit activity

		Phantom Units		Weighted Average Grant-Date Fair Value per Unit
Phantom units outstanding, December 31, 2011		75,267		$	21.45
Granted		17,814		23.70
Vested		(29,950	)	17.53
Phantom units outstanding, March 31, 2012		63,131		23.94

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Tabular disclosure of the changes in outstanding nonvested performance-based units.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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