Earnings per share (Tables)

3 Months Ended

Mar. 28, 2020

Earnings Per Share [Abstract]

Schedule of computation of net income per share

The computation of earnings per share is presented below:

	Three months ended
(dollars in millions, except share numbers and per share amounts)	March 28, 2020		March 30, 2019
Net income attributable to shareholders	$	35.6	$	613.7
Weighted average number of shares outstanding	290,609,974		289,928,526
Dilutive effect of share-based awards	1,501,279		4,733,387
Diluted weighted average number of shares outstanding	292,111,253		294,661,913
Basic earnings per share	$	0.12	$	2.12
Diluted earnings per share	$	0.12	$	2.08