Earnings (loss) per Share - Computation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Apr. 01, 2017	Apr. 02, 2016
Basic:
Net income (loss) attributable to the Company	$ 8	$ (26)
Weighted-average shares outstanding (in shares)	51,842,025	51,299,632
Basic earnings (loss) per share (USD per share)	$ 0.16	$ (0.50)
Diluted:
Net income (loss) attributable to the Company	$ 8	$ (26)
Weighted-average shares outstanding (in shares)	51,842,025	51,299,632
Diluted shares	1,104,858	0
Diluted weighted-average shares outstanding	52,946,883	51,299,632
Diluted earnings (loss) per share (USD per share)	$ 0.16	$ (0.50)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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