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Outstanding and Exercisable Options by Price Range (Detail) - Jun. 28, 2015 - $ / shares	Total
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	$ 9.44
Range of Exercise Prices, upper limit	$ 51.76
Options Outstanding Number of Options Outstanding	835,832
Options Outstanding Weighted- Average Remaining Life (Years)	4 years 5 months 1 day
Options Outstanding Weighted- Average Exercise Price	$ 37.44
Options Exercisable Number of Options Exercisable	622,695
Options Exercisable Weighted- Average Exercise Price	$ 29.29
Range One
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	9.44
Range of Exercise Prices, upper limit	$ 19.05
Options Outstanding Number of Options Outstanding	130,682
Options Outstanding Weighted- Average Remaining Life (Years)	6 months 7 days
Options Outstanding Weighted- Average Exercise Price	$ 12.94
Options Exercisable Number of Options Exercisable	130,682
Options Exercisable Weighted- Average Exercise Price	$ 12.94
Range Two
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	21.04
Range of Exercise Prices, upper limit	$ 25.60
Options Outstanding Number of Options Outstanding	89,907
Options Outstanding Weighted- Average Remaining Life (Years)	3 months 18 days
Options Outstanding Weighted- Average Exercise Price	$ 22.13
Options Exercisable Number of Options Exercisable	86,845
Options Exercisable Weighted- Average Exercise Price	$ 22.08
Range Three
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	26.87
Range of Exercise Prices, upper limit	$ 29.68
Options Outstanding Number of Options Outstanding	193,978
Options Outstanding Weighted- Average Remaining Life (Years)	10 months 10 days
Options Outstanding Weighted- Average Exercise Price	$ 29.26
Options Exercisable Number of Options Exercisable	190,025
Options Exercisable Weighted- Average Exercise Price	$ 29.32
Range Four
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	31.45
Range of Exercise Prices, upper limit	$ 35.68
Options Outstanding Number of Options Outstanding	30,042
Options Outstanding Weighted- Average Remaining Life (Years)	2 months 16 days
Options Outstanding Weighted- Average Exercise Price	$ 32.94
Options Exercisable Number of Options Exercisable	30,042
Options Exercisable Weighted- Average Exercise Price	$ 32.94
Range Five
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	42.61
Range of Exercise Prices, upper limit	$ 80.60
Options Outstanding Number of Options Outstanding	391,223
Options Outstanding Weighted- Average Remaining Life (Years)	2 years 6 months 11 days
Options Outstanding Weighted- Average Exercise Price	$ 53.54
Options Exercisable Number of Options Exercisable	185,101
Options Exercisable Weighted- Average Exercise Price	$ 43.58

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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