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Investments, Forward Contracts and Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016	Jul. 01, 2017
Investments, Forward Contracts and Fair Value Measurements
Term of maturities of securities classified as current assets included in short-term investments			12 months
Other-than-temporary impairment loss	$ 0	$ 0	$ 0	$ 0
Not designated | Foreign exchange forward contracts
Foreign Currency Forward Contracts
Derivative asset, fair value	1,900,000		1,900,000		$ 7,300,000
Derivative liability, fair value	800,000		$ 800,000		1,300,000
Derivative, term of contract			120 days
Gains (losses) on derivatives	1,100,000	$ (5,600,000)	$ 4,200,000	$ (5,300,000)
Not designated | Foreign exchange forward contracts | Held to purchase
Foreign Currency Forward Contracts
Notional amount of forward contracts	139,400,000		139,400,000		134,300,000
Not designated | Foreign exchange forward contracts | Held to sell
Foreign Currency Forward Contracts
Notional amount of forward contracts	26,000,000		26,000,000		25,400,000
Cash equivalents
Investments, Forward Contracts and Fair Value Measurements
Fair Value	60,600,000		60,600,000		78,200,000
Short-term investments
Investments, Forward Contracts and Fair Value Measurements
Fair Value	450,100,000		450,100,000		430,200,000
Other non-current assets
Investments, Forward Contracts and Fair Value Measurements
Fair Value	600,000		600,000		700,000
Trading securities | Short-term investments
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	2,200,000		2,200,000		2,000,000
Trading securities | Short-term investments | Debt securities
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	500,000		500,000		500,000
Trading securities | Short-term investments | Money market instruments and funds
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	300,000		300,000		300,000
Trading securities | Short-term investments | Marketable equity investments
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	$ 1,400,000		$ 1,400,000		$ 1,200,000

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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The Company generally classifies debt securities as cash equivalents, short-term investments, or other non-current assets based on the stated maturities, however certain securities with stated maturities of longer than twelve months which are highly liquid and available to support current operations are classified as current assets.

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