Shareholders Equity - Components of Shareholders Equity (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Class of Stock [Line Items]
Beginning balance, value			$ 1,320.4
Net income	43.0	39.2	69.2	62.0
Other comprehensive income (loss):
foreign currency translation			(4.4)
Reclassification of cash flow hedges to earnings, net of income tax benefit of $0.2 million	0.3	0.9	0.2	0.6
Unrealized loss on cash flow hedges, net of income tax expense of $0.2 million			(0.1)
minimum pension liability adjustment, net of income tax expense of $0.3 million	1.2	(0.6)	0.8	3.8
Comprehensive income	23.8	38.7	65.7	58.3
Noncontrolling interests and other			(3.8)
Dividends paid	(24.6)	(24.5)	(49.0)	(48.8)
Stock options exercised, value			1.0
Restricted stock executives and directors, value			1.1
Long-term incentive shares issued, value			2.2
Ending balance, value	1,337.6		1,337.6
Capital Stock [Member]
Class of Stock [Line Items]
Beginning balance, value			123.8
Beginning balance, shares			47,403
Other comprehensive income (loss):
Stock options exercised, value			0.9
Stock options exercised, shares			66
Restricted stock executives and directors, value			1.0
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	127.8		127.8
Ending balance, shares	47,544		47,544
Treasury Stock [Member]
Class of Stock [Line Items]
Beginning balance, value			(131.4)
Beginning balance, shares			29,439
Other comprehensive income (loss):
Stock options exercised, value			0.1
Stock options exercised, shares			(66)
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	29,298		29,298
Retained Earnings [Member]
Class of Stock [Line Items]
Beginning balance, value			1,404.4
Net income			65.8
Other comprehensive income (loss):
Dividends paid			(49.0)
Ending balance, value	1,421.2		1,421.2
Noncontrolling Interests [Member]
Class of Stock [Line Items]
Beginning balance, value			119.6
Net income			3.4
Other comprehensive income (loss):
foreign currency translation			2.9
Noncontrolling interests and other			(3.8)
Ending balance, value	122.1		122.1
Accumulated Other Comprehensive Income (Loss) [Member]
Class of Stock [Line Items]
Beginning balance, value			(196.0)
Other comprehensive income (loss):
foreign currency translation			(7.3)
Reclassification of cash flow hedges to earnings, net of income tax benefit of $0.2 million			0.2
Unrealized loss on cash flow hedges, net of income tax expense of $0.2 million			(0.1)
minimum pension liability adjustment, net of income tax expense of $0.3 million			0.8
Ending balance, value	$ (202.4)		$ (202.4)