Net Income Per Common Share (Tables)

9 Months Ended

Jul. 31, 2015

Earnings Per Share [Abstract]

Calculations of Basic and Diluted Net Income Per Common Share

Basic and Diluted Net Income Per Common Share Calculations

	Three Months Ended July 31,				Nine Months Ended July 31,
(in millions, except per share amounts)	2015		2014		2015		2014
Net income	$	1.5	$	19.4	$	37.5	$	47.7
Weighted-average common and common equivalent shares outstanding—Basic	56.8		56.2		56.7		56.0
Effect of dilutive securities:
Restricted stock units	0.4		0.4		0.3		0.4
Stock options	0.2		0.3		0.3		0.4
Performance shares	0.1		0.1		0.1		0.2
Weighted-average common and common equivalent shares outstanding—Diluted	57.5		57.0		57.4		57.0
Net income per common share
Basic	$	0.03	$	0.34	$	0.66	$	0.85
Diluted	$	0.03	$	0.34	$	0.65	$	0.84