Discontinued Operations - Additional Disclosures (Details) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2013 Store	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closing	107
Cash payments for discontinued operations costs recorded during fiscal year 2014 | $		$ 0.2
Cash payments for discontinued operations costs recorded during fiscal year 2013 | $		3.8	$ 1.6
Benefit due to differences between initial estimated termination costs and final amounts settled | $		3.3
Net revenues | $		31.4	45.3	$ 28.0
Mexico [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closing	57
Canada [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closing	29
United States [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closing	20
Jewelry Store [Member] | Mexico [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closing	52
Jewelry Store [Member] | United States [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores closing	1
Accounts Payable and Other Accrued Expenses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accrued liabilities | $		$ 8.9	$ 7.1