Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements

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

	Fair Value at March 31,			Fair Value Measurement Using
	2013			Level 1			Level 2		Level 3
Assets (liabilities) at fair value
Nonqualified deferred compensation asset	$	3,819		$	3,819		$	—	$	—
Nonqualified deferred compensation liability	$	(3,819	)	$	(3,819	)	$	—	$	—
Designated derivatives assets	$	2,458		$	—		$	2,458	$	—
Contingent consideration for acquisition of business	$	(47,060	)	$	—		$	—	$	(47,060	)

	Fair Value at December 31,			Fair Value Measurement Using
	2012			Level 1			Level 2			Level 3
Assets (liabilities) at fair value
Nonqualified deferred compensation asset	$	3,653		$	3,653		$	—		$	—
Nonqualified deferred compensation liability	$	(3,653	)	$	(3,653	)	$	—		$	—
Non-designated derivatives assets	$	839		$	—		$	839		$	—
Non-designated derivatives liabilities	$	(336	)	$	—		$	(336	)	$	—
Contingent consideration for acquisition of business	$	(71,460	)	$	—		$	—		$	(71,460	)

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, 2012	$	71,460
Payments	(25,400		)
Change in fair value	1,000
Balance, March 31, 2013	$	47,060