Earnings Per Share - Computations of Basic and Diluted Net Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Earnings Per Share [Abstract]
Basic net earnings	$ 254,850	$ 305,447	$ 934,797	$ 636,632
Earnings allocated to participating securities, Basic	(900)	(1,034)	(3,239)	(2,115)
Net earnings available to common stockholders, Basic	$ 253,950	$ 304,413	$ 931,558	$ 634,517
Average shares outstanding	320,096	319,737	320,253	319,444
Basic net earnings per share	$ 0.79	$ 0.95	$ 2.91	$ 1.99
Diluted net earnings	$ 254,850	$ 305,447	$ 934,797	$ 636,632
Earnings allocated to participating securities, Diluted	(899)	(1,034)	(3,233)	(2,116)
Net earnings available to common stockholders, Diluted	$ 253,951	$ 304,413	$ 931,564	$ 634,516
Basic shares outstanding	320,096	319,737	320,253	319,444
Dilutive effect of stock options and other	667	291	792	188
Diluted average shares outstanding	320,763	320,028	321,045	319,632
Diluted net earnings per share	$ 0.79	$ 0.95	$ 2.90	$ 1.99

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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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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.

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Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.

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Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the diluted earnings (loss) per share or per unit calculation under the two-class method.

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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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