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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Apr. 03, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in the period (in shares)	271,370
Options granted in the period (in dollars per share) | $ / shares	$ 18.84
Weighted average grant-date fair value (in dollars per share) | $ / shares	$ 8.27
Options outstanding (in shares)	19,750,438
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense | $	$ 30.3
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense | $	$ 160.0
RSUs awarded (in shares)	595,685
Weighted average grant date fair value, awarded (in dollars per share) | $ / shares	$ 20.87
RSUs outstanding (in shares)	9,104,132

X

- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Gross number of share options (or share units) granted during the period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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