Business, Basis of Presentation and Summary of Significant Accounting Policies (Tables)

3 Months Ended

12 Months Ended

Sep. 25, 2011

Sep. 26, 2010

Jun. 26, 2011

Business, Basis of Presentation and Summary of Significant Accounting Policies [Abstract]

Financial Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis

 Financial assets and liabilities measured and recorded at fair value on a recurring basis are presented on the Company’s condensed consolidated balance sheet as of September 25, 2011 as follows (in thousands):

Assets and Liabilities:	Total			Quoted Prices in Active Markets for Identical Assets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Cash and cash equivalents	$	10,995		$	—		$	10,995		$	—
Short-term investments		172,248			50,607			121,641			—
Long-term investments		4,815			3,012			1,501			302
Other assets		25,960			22,042			1,072			2,846
Other accrued expenses		(46	)		—			(46	)		—
Other long-term liabilities		(7,786	)		(7,386	)		—			(400	)
Total	$	206,186		$	68,275		$	135,163		$	2,748
Fair value as a percentage of total		100.0	%		33.1	%		65.6	%		1.3	%
Level 3 as a percentage of total assets											0.2	%

Financial assets and liabilities measured and recorded at fair value on a recurring basis are presented on the Company’s condensed consolidated balance sheet as of June 26, 2011 as follows (in thousands):

Assets and Liabilities:	Total			Quoted Prices in Active Markets for Identical Assets (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Cash and cash equivalents	$	15,996		$	—		$	15,996		$	—
Short-term investments		185,541			70,292			115,249			—
Long-term investments		13,325			9,530			3,014			781
Other assets		33,004			30,231			—			2,773
Other accrued expenses		(309	)		—			(309	)		—
Other long-term liabilities		(8,038	)		(7,638	)		—			(400	)
Total	$	239,519		$	102,415		$	133,950		$	3,154
Fair value as a percentage of total		100.0	%		42.8	%		55.9	%		1.3	%
Level 3 as a percentage of total assets											0.2	%

Reconciliation of the Beginning and Ending Balance of Items Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs

The following table provides a reconciliation of the beginning and ending balances of items measured at fair value on a recurring basis that used significant unobservable inputs, or Level 3 inputs, for the three months ended September 25, 2011 (in thousands):

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Liabilities		Assets
	Contingent Consideration		Derivatives		Investments			Total
Beginning balance at June 26, 2011	$	400	$	2,773	$	781		$	3,554
Total gains or (losses) (realized or unrealized):
Included in earnings		―		73		54			127
Included in other comprehensive income		―		—		(190	)		(190	)
Purchases, maturities, and sales:
Purchases/additions		―		―		―			―
Maturities/prepayments		―		―		(33	)		(33	)
Sales		―		―		(310	)		(310	)
Transfers into level 3		―		―		―			―
Transfers out of level 3		—		—		―			―
Ending balance at September 25, 2011	$	400	$	2,846	$	302		$	3,148

The following table provides a reconciliation of the beginning and ending balances of items measured at fair value on a recurring basis that used significant unobservable inputs, or Level 3 inputs, for the three months ended September 26, 2010 (in thousands):

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Derivatives			Investments			Total
Beginning balance at June 27, 2010	$	2,121		$	23,337		$	25,458
Total gains or (losses) (realized or unrealized):
Included in earnings		(154	)		537			383
Included in other comprehensive income		—			589			589
Purchases, maturities, and sales:
Purchases		―			1,500			1,500
Maturities/prepayments		―			(1,383	)		(1,383	)
Sales		―			―			―
Transfers into level 3		―			―			―
Transfers out of level 3		—			—			—
Ending balance at September 26, 2010	$	1,967		$	24,580		$	26,547