Fair Value Measurements (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities, fair value disclosure		$ 75,154	$ 49,953
Fair Value, Assets and Liabilities Class [Member] | Fari Value Measurements Using Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure		1,156,239	971,868
Liabilities, fair value disclosure		0	0
Fair Value, Assets and Liabilities Class [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure		75,833	50,269
Liabilities, fair value disclosure		613	438
Fair Value, Assets and Liabilities Class [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure		0	0
Liabilities, fair value disclosure		0	3,215
Fair Value, Assets and Liabilities Class [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure		1,232,072	1,022,137
Liabilities, fair value disclosure		613	3,653
Money market funds [Member] | Fari Value Measurements Using Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, fair value disclosure	[1]	1,156,239	971,868
Money market funds [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, fair value disclosure	[1]	0	0
Money market funds [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, fair value disclosure	[1]	0	0
Money market funds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, fair value disclosure	[1]	1,156,239	971,868
US Treasury Securities [Member] | Fari Value Measurements Using Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities, fair value disclosure	[2]	0	0
US Treasury Securities [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities, fair value disclosure	[2]	75,154	49,953
US Treasury Securities [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities, fair value disclosure	[2]	0	0
US Treasury Securities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities, fair value disclosure	[2]	75,154	49,953
Foreign currency forward contracts [Member] | Fari Value Measurements Using Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency contract, asset, fair value disclosure	[3]	0	0
Foreign currency contract, liability, fair value disclosure	[4]	0	0
Foreign currency forward contracts [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency contract, asset, fair value disclosure	[3]	679	316
Foreign currency contract, liability, fair value disclosure	[4]	613	438
Foreign currency forward contracts [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency contract, asset, fair value disclosure	[3]	0	0
Foreign currency contract, liability, fair value disclosure	[4]	0	0
Foreign currency forward contracts [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency contract, asset, fair value disclosure	[3]	679	316
Foreign currency contract, liability, fair value disclosure	[4]	613	438
Accrued Liabilities [Member] | Fari Value Measurements Using Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Acquisition, Contingent Consideration, at Fair Value, Current	[4]	0	0
Accrued Liabilities [Member] | Fair Value Measurements Using Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Acquisition, Contingent Consideration, at Fair Value, Current	[4]	0	0
Accrued Liabilities [Member] | Fair Value Measurements Using Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Acquisition, Contingent Consideration, at Fair Value, Current	[4]	0	3,215
Accrued Liabilities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Acquisition, Contingent Consideration, at Fair Value, Current	[4]	0	3,215
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		0	3,215	$ 8,577
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings		384	1,739
Business acquisition,cash paid for contingent consideration		(3,599)	(7,101)
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Other Income		$ 0	$ 1,739

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

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

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

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