Earnings per share (Tables)

6 Months Ended

Jul. 30, 2016

Earnings Per Share [Abstract]

Earnings per share

	13 weeks ended				26 weeks ended
(in millions, except per share amounts)	July 30, 2016		August 1, 2015		July 30, 2016		August 1, 2015
Net income	$	81.9	$	62.2	$	228.7	$	181.0
Basic weighted average number of shares outstanding	77.1		79.7		77.8		79.8
Dilutive effect of share awards	0.1		0.2		0.1		0.2
Diluted weighted average number of shares outstanding	77.2		79.9		77.9		80.0
Earnings per share – basic	$	1.06	$	0.78	$	2.94	$	2.27
Earnings per share – diluted	$	1.06	$	0.78	$	2.94	$	2.26