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Share-Based Compensation - Deferred Stock Units - Additional Information (Detail) - Deferred stock units outstanding [Member] - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended |
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Sep. 30, 2018 | Sep. 28, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Closing price of common stock used to calculate Aggregate intrinsic value of stock option outstanding |  | $ 45.62
Shares withheld to meet statutory tax withholding requirements | 17,416 |
Shares valued withheld to meet statutory tax withholding requirements | $ 0.9 |

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- Definition Share based compensation arrangement by share based payment award intrinsic value closing price. + References No definition available. + Details
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- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
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- Details
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