Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	$ 57.5
Net operating loss carryforward, valuation allowance	26.6
Tax credit carryforward, tax benefit amount	1.2
Tax credit carryforward, valuation allowance	1.2
Total, tax benefit amount	58.7
Total, valuation allowance	27.8
Non-United States - Finite [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	6.7
Net operating loss carryforward, valuation allowance	4.9
Non-United States - Infinite [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	10.1
Net operating loss carryforward, valuation allowance	6.7
Non-United States capital loss carryforward [Member]
Tax attributes and valuation allowances
Tax credit carryforward, tax benefit amount	14.8
Tax credit carryforward, valuation allowance	14.8
United States [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	5.0
Net operating loss carryforward, valuation allowance	0
Tax credit carryforward, tax benefit amount	1.5
Tax credit carryforward, valuation allowance	0
State and Local [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	13.6
Net operating loss carryforward, valuation allowance	0.2
Tax credit carryforward, tax benefit amount	5.8
Tax credit carryforward, valuation allowance	$ 0
Minimum [Member] | Non-United States - Finite [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2015
Minimum [Member] | United States [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2019
Other tax carryforward, carryforward period ends	Sep. 30, 2018
Minimum [Member] | State and Local [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2015
Other tax carryforward, carryforward period ends	Sep. 30, 2025
Maximum [Member] | Non-United States - Finite [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2024
Maximum [Member] | United States [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2033
Other tax carryforward, carryforward period ends	Sep. 30, 2027
Maximum [Member] | State and Local [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2033
Other tax carryforward, carryforward period ends	Sep. 30, 2029