Fair Value (Tables)

3 Months Ended

Mar. 31, 2012

Fair Value Disclosures [Abstract]

Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized below:

	Fair Value Measurements at June 30, 2012 using
	Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3		Assets and Liabilities at Fair Value
Time deposits	$	—	$	6,623	$	—	$	6,623
Auction rate securities	—		—		—		—
Fair value of life policies	—		14,663		—		14,663
Hedge contract	—		70		—		70
Total assets measured at fair value	$	—	$	21,356	$	—	$	21,356
Contingent consideration	—		—		—		—
Total liabilities measured at fair value	$	—	$	—	$	—	$	—

	Fair Value Measurements at December 31, 2011 using
	Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3		Assets and Liabilities at Fair Value
Time deposits	$	—	$	5,359	$	—	$	5,359
Auction rate securities	—		—		11,051		11,051
Fair value of life policies	—		19,520		—		19,520
Hedge contract	—		5		—		5
Total assets measured at fair value	$	—	$	24,884	$	11,051	$	35,935
Contingent consideration	—		—		—		—
Total liabilities measured at fair value	$	—	$	—	$	—	$	—

Reconciliation of all Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)

The following table presents a reconciliation for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the six month endedJune 30, 2012 and June 25, 2011.

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Six Months Ended
Auction rate securities	June 30, 2012			June 25, 2011
Beginning balance	$	11,051		$	11,377
Transfers in and/or out of Level 3	—			—
Total gains or losses (realized/unrealized):
Included in other income (expense)	(712		)	(1		)
Included in other comprehensive income	921			(137		)
Purchases, issuances and settlements	(11,260		)	—
Ending balance	$	—		$	11,239