Shareholders Equity - Summary of Changes of Shareholders Equity (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended				9 Months Ended		12 Months Ended
	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Oct. 31, 2012	Oct. 31, 2011
Class of Stock [Line Items]
Beginning balance, value			$ 1,310.8		$ 1,310.8
Net income	48.8	42.3	24.9	39.0	116.0	99.0	127.9	177.6
Other comprehensive income (loss):
foreign currency translation					(15.8)
Reclassification of cash flow hedges to earnings, net of income tax benefit of $0.2 million	0.2			0.4	0.4	1.0
Unrealized loss on cash flow hedges, net of income tax expense of $0.1 million					(0.1)
minimum pension liability adjustment, net of income tax expense of $0.1 million	(0.5)			1.1	0.3	4.9
Comprehensive income (loss)	37.1			(18.3)	100.8	38.0
Noncontrolling interests and other					(7.8)
Dividends paid	(24.6)			(24.5)	(73.6)	(73.2)
Stock options exercised, value					1.3
Restricted stock executives and directors, value					1.4
Long-term incentive shares issued, value					2.2
Ending balance, value	1,335.1				1,335.1		1,310.8
Capital Stock [Member]
Class of Stock [Line Items]
Beginning balance, value			123.8		123.8
Beginning balance, shares			47,403		47,403
Other comprehensive income (loss):
Stock options exercised, value					1.2
Stock options exercised, shares					92
Restricted stock executives and directors, value					1.3
Restricted stock executives and directors, shares					21
Long-term incentive shares issued, value					2.1
Long-term incentive shares issued, shares					54
Ending balance, value	128.4				128.4
Ending balance, shares	47,570				47,570
Treasury Stock [Member]
Class of Stock [Line Items]
Beginning balance, value			(131.4)		(131.4)
Beginning balance, shares			29,439		29,439
Other comprehensive income (loss):
Stock options exercised, value					0.1
Stock options exercised, shares					(92)
Restricted stock executives and directors, value					0.1
Restricted stock executives and directors, shares					(21)
Long-term incentive shares issued, value					0.1
Long-term incentive shares issued, shares					(54)
Ending balance, value	(131.1)				(131.1)
Ending balance, shares	29,272				29,272
Retained Earnings [Member]
Class of Stock [Line Items]
Beginning balance, value			1,394.8		1,394.8
Net income					110.5
Other comprehensive income (loss):
Dividends paid					(73.6)
Ending balance, value	1,431.7				1,431.7
Noncontrolling Interests [Member]
Class of Stock [Line Items]
Beginning balance, value			119.6		119.6
Net income					5.5
Other comprehensive income (loss):
foreign currency translation					(1.2)
Noncontrolling interests and other					(7.8)
Ending balance, value	116.1				116.1
Accumulated Other Comprehensive Income (Loss) [Member]
Class of Stock [Line Items]
Beginning balance, value			(196.0)		(196.0)
Other comprehensive income (loss):
foreign currency translation					(14.6)
Reclassification of cash flow hedges to earnings, net of income tax benefit of $0.2 million					0.4
Unrealized loss on cash flow hedges, net of income tax expense of $0.1 million					(0.1)
minimum pension liability adjustment, net of income tax expense of $0.1 million					0.3
Ending balance, value	$ (210.0)				$ (210.0)