v3.8.0.1

Description of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Apr. 01, 2017	Sep. 30, 2017
Entity Information [Line Items]
Effective income tax rate reconciliation, share-based compensation, excess tax benefit, amount	$ 2
Minimum
Entity Information [Line Items]
Fiscal period duration		364 days
Maximum
Entity Information [Line Items]
Fiscal period duration		371 days

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- Definition

Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount

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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.

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- Definition

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