The Company and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

The Company and Summary of Significant Accounting Policies

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

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

				Fair Value Measurement Using
	Fair Value at December 31, 2010
				Level 1		Level 2			Level 3
Assets (Liabilities) at fair value
Nonqualified deferred compensation	$	132		$	132	$	—		$	—
Designated derivatives	$	2,434		$	—	$	2,434		$	—
Non-designated derivatives	$	(95	)	$	—	$	(95	)	$	—

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

Beginning balance, January 1, 2011	$	—
Contingent consideration for acquisition of business		88,100
Change in fair value		3,500
Balance, December 31, 2011	$	91,600

Schedule of reconciliations of basic to diluted weighted-average common shares outstanding

	Year Ended December 31,
	2011		2010		2009
Weighted-average shares used in basic computation		38,605,000		38,615,000		39,024,000
Dilutive effect of stock-based awards*		660,000		677,000		369,000
Weighted-average shares used for diluted computation		39,265,000		39,292,000		39,393,000
*Excluded NSUs and RSUs as of December 31, 2011, 2010, and 2009		319,000		85,000		159,000
*Excluded SARs as of December 31, 2011, 2010, and 2009		525,000		645,000		1,200,000