Changes in Balance of Gross Unrecognized Tax Benefits (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2013	Jun. 24, 2012	Jun. 26, 2011
Schedule of Unrecognized Tax Benefits [Line Items]
Beginning balance	$ 343.8	$ 181.5	$ 190.5
Settlements and effective settlements with tax authorities	(3.4)	(0.2)	(24.2)
Lapse of statute of limitations	(51.4)	(6.6)	(5.2)
Increases in balances related to tax positions taken during prior periods	11.3	1.4	13.7
Decreases in balances related to tax positions taken during prior periods	(11.3)	(4.3)	(13.4)
Increases in balances related to tax positions taken during current period	35.2	22.3	20.1
Tax positions assumed in Novellus transaction	8.9	149.7
Ending balance	$ 333.1	$ 343.8	$ 181.5

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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