Note 19 - Impairment and Restructuring (Detail) - Summary of Other Restructuring Charges (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2010
Restructuring Costs	$ 4.7
North America [Member] | Employee Severance [Member]
Restructuring Costs	2.2
North America [Member] | Lease Termination [Member]
Restructuring Costs	1.0
North America [Member] | Other Fees [Member]
Restructuring Costs	0.5
North America [Member] | Total Cash Charges [Member]
Restructuring Costs	3.7
North America [Member] | Share-Based Compensation Forfeitures [Member]
Restructuring Costs	0.3
North America [Member] | Total NonCash Charges [Member]
Restructuring Costs	0.3
North America [Member] | Total All Charges [Member]
Restructuring Costs	4.0
International [Member] | Employee Severance [Member]
Restructuring Costs	0.4
International [Member] | Total Cash Charges [Member]
Restructuring Costs	0.4
International [Member] | Share-Based Compensation Forfeitures [Member]
Restructuring Costs	0.2
International [Member] | Total NonCash Charges [Member]
Restructuring Costs	0.2
International [Member] | Total All Charges [Member]
Restructuring Costs	0.6
Corporate [Member] | Employee Severance [Member]
Restructuring Costs	0.1
Corporate [Member] | Total Cash Charges [Member]
Restructuring Costs	0.1
Corporate [Member] | Total All Charges [Member]
Restructuring Costs	0.1
Continuing Operations [Member] | Employee Severance [Member]
Restructuring Costs	2.7
Continuing Operations [Member] | Lease Termination [Member]
Restructuring Costs	1.0
Continuing Operations [Member] | Other Fees [Member]
Restructuring Costs	0.5
Continuing Operations [Member] | Total Cash Charges [Member]
Restructuring Costs	4.2
Continuing Operations [Member] | Share-Based Compensation Forfeitures [Member]
Restructuring Costs	0.5
Continuing Operations [Member] | Total NonCash Charges [Member]
Restructuring Costs	0.5
Continuing Operations [Member] | Total All Charges [Member]
Restructuring Costs	4.7
Discontinued Operations [Member] | Employee Severance [Member]
Restructuring Costs	3.2
Discontinued Operations [Member] | Lease Termination [Member]
Restructuring Costs	1.5
Discontinued Operations [Member] | Other Fees [Member]
Restructuring Costs	5.0
Discontinued Operations [Member] | Total Cash Charges [Member]
Restructuring Costs	9.7
Discontinued Operations [Member] | Abandoned Assets [Member]
Restructuring Costs	9.6
Discontinued Operations [Member] | Total NonCash Charges [Member]
Restructuring Costs	9.6
Discontinued Operations [Member] | Total All Charges [Member]
Restructuring Costs	19.3
Consolidated [Member] | Employee Severance [Member]
Restructuring Costs	5.9
Consolidated [Member] | Lease Termination [Member]
Restructuring Costs	2.5
Consolidated [Member] | Other Fees [Member]
Restructuring Costs	5.5
Consolidated [Member] | Total Cash Charges [Member]
Restructuring Costs	13.9
Consolidated [Member] | Abandoned Assets [Member]
Restructuring Costs	9.6
Consolidated [Member] | Share-Based Compensation Forfeitures [Member]
Restructuring Costs	0.5
Consolidated [Member] | Total NonCash Charges [Member]
Restructuring Costs	10.1
Consolidated [Member] | Total All Charges [Member]
Restructuring Costs	$ 24.0