Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Computation of Earnings per Share

Earnings per share (in millions, except share data):

	Three Months Ended				Six Months Ended
	June 30, 2018		July 1, 2017		June 30, 2018		July 1, 2017
Basic:
Net income	$	70	$	17	$	179	$	25
Weighted-average shares outstanding	53,537,876		51,996,353		53,414,267		51,928,911
Basic earnings per share	$	1.31	$	0.33	$	3.35	$	0.49
Diluted:
Net income	$	70	$	17	$	179	$	25
Weighted-average shares outstanding	53,537,876		51,996,353		53,414,267		51,928,911
Dilutive shares	717,831		1,132,304		719,843		1,109,045
Diluted weighted-average shares outstanding	54,255,707		53,128,657		54,134,110		53,037,956
Diluted earnings per share	$	1.29	$	0.32	$	3.30	$	0.48