Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements

Schedule of Company's financial assets and liabilities measured on a recurring basis at fair value

	Fair Value at June 30,			Fair Value Measurement Using
	2012			Level 1			Level 2			Level 3
Assets (liabilities) at fair value
Nonqualified deferred compensation asset	$	3,415		$	3,415		$	—		$	—
Nonqualified deferred compensation liability	$	(3,415	)	$	(3,415	)	$	—		$	—
Designated derivatives assets	$	1,482		$	—		$	1,482		$	—
Designated derivatives liabilities	$	(544	)	$	—		$	(544	)	$	—
Contingent consideration for acquisition of business	$	(67,900	)	$	—		$	—		$	(67,900	)

	Fair Value at December 31,			Fair Value Measurement Using
	2011			Level 1			Level 2			Level 3
Assets (liabilities) at fair value
Nonqualified deferred compensation asset	$	1,991		$	1,991		$	—		$	—
Nonqualified deferred compensation liability	$	(1,991	)	$	(1,991	)	$	—		$	—
Designated derivatives assets	$	1,117		$	—		$	1,117		$	—
Designated derivatives liabilities	$	(87	)	$	—		$	(87	)	$	—
Contingent consideration for acquisition of business	$	(91,600	)	$	—		$	—		$	(91,600	)

Schedule of reconciliation of beginning and ending amounts related to the fair value for contingent consideration for acquisition of business, categorized as Level 3

Balance, December 31, 2011	$	91,600
Payments	(30,000		)
Change in fair value	6,300
Balance, June 30, 2012	$	67,900