Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended				3 Months Ended												3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Sep. 29, 2012	Dec. 28, 2013	Dec. 29, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 28, 2013 Fair Value, Measurements, Recurring [Member]	Dec. 29, 2012 Fair Value, Measurements, Recurring [Member]	Jun. 29, 2013 Fair Value, Measurements, Recurring [Member]	Jun. 30, 2012 Fair Value, Measurements, Recurring [Member]	Dec. 28, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Jun. 29, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 28, 2013 Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]	Jun. 29, 2013 Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]	Dec. 28, 2013 Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]	Jun. 29, 2013 Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]	Dec. 28, 2013 Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]	Jun. 29, 2013 Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]	Jun. 29, 2013 Fair Value, Measurements, Nonrecurring [Member]	Dec. 28, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Jun. 29, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 28, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Jun. 29, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Dec. 28, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Jun. 29, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Dec. 28, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Jun. 29, 2013 Money market funds [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Dec. 28, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Jun. 29, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 28, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Jun. 29, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Dec. 28, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Jun. 29, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Dec. 28, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Jun. 29, 2013 Certificates of deposit [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Dec. 28, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Jun. 29, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 28, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Jun. 29, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Dec. 28, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Jun. 29, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Dec. 28, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Jun. 29, 2013 Government agency securities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Dec. 28, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Jun. 29, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 28, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Jun. 29, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Dec. 28, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Jun. 29, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Dec. 28, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Jun. 29, 2013 Foreign currency forward contracts [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Dec. 28, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Jun. 29, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 28, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Jun. 29, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 1 [Member]		Dec. 28, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Jun. 29, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 2 [Member]		Dec. 28, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]		Jun. 29, 2013 Accrued Liabilities [Member] Fair Value, Measurements, Recurring [Member] Fair Value Measurements Using Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 1,149,909	$ 955,107		$ 1,149,909	$ 955,107	$ 1,174,986	$ 881,060														$ 696,732	[1]	$ 402,513	[1]	$ 696,732	[1]	$ 402,513	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 77	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 77	[1]	$ 0	[1]	$ 0	[1]
Government agency securities	0			0		25,060																																															0	[2]	25,060	[2]	0	[2]	0	[2]	0	[2]	25,060	[2]	0	[2]	0	[2]
Foreign currency forward contracts																																																																					521	[3]	187	[3]	0	[3]	0	[3]	521	[3]	187	[3]	0	[3]	0	[3]
Total Assets												697,253	427,837	696,732	402,513	521	25,324	0	0
Foreign currency forward contracts																																																																					838	[4]	1,419	[4]	0	[4]	0	[4]	838	[4]	1,419	[4]	0	[4]	0	[4]
Contingent Consideration																																																																																					5,469	[4]	8,577	[4]	0	[4]	0	[4]	0	[4]	0	[4]	5,469	[4]	8,577	[4]
Total Liabilities												6,307	9,996	0	0	838	1,419	5,469	8,577
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value										8,577	17,737
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales								1,493	2,334
Business acquisition,cash paid for contingent consideration								(4,601)	(7,476)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value								5,469	12,595	8,577	17,737
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Other Income								1,493	2,334
Impairment of Long-Lived Assets to be Disposed of	5,197	22,222	2,700	5,197	24,929
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis																				$ 0

[1] Included in Cash and cash equivalents in the accompanying Condensed Consolidated Balance Sheets.

[2] Included in Short-term investments in the accompanying Condensed Consolidated Balance Sheets.

[3] Included in Other current assets in the accompanying Condensed Consolidated Balance Sheets.

[4] Included in Accrued expenses in the accompanying Condensed Consolidated Balance Sheets.