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Reconciliation of Net Earnings Attributable to Common Shareowners and Weighted-Average Shares Outstanding used to Calculate Basic and Diluted Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Numerator
Net Earnings Attributable to Common Shareowners	$ 230.5	$ 247.8	$ 756.7	$ 712.0
Denominator:
Basic earnings per share - weighted-average shares	148,350	147,964	148,111	149,311
Weighted Average Number Diluted Shares Outstanding Adjustment	2,273	2,635	2,188	2,914
Diluted earnings per share - weighted-average shares	150,623	150,599	150,299	152,225
Basic earnings per share of common stock:
Total basic earnings per share of common stock	$ 1.55	$ 1.67	$ 5.11	$ 4.77
Diluted earnings per share of common stock:
Total dilutive earnings per share of common stock	$ 1.53	$ 1.65	$ 5.03	$ 4.68

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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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