Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	$ 62.3
Net operating loss carryforward, valuation allowance	26.8
Tax credit carryforward, tax benefit amount	1.5
Tax credit carryforward, valuation allowance	1.5
Total, tax benefit amount	63.8
Total, valuation allowance	28.3
Non-United States - Finite [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	8.5
Net operating loss carryforward, valuation allowance	6.8
Non-United States - Infinite [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	11.8
Net operating loss carryforward, valuation allowance	5.8
Non-United States capital loss carryforward [Member]
Tax attributes and valuation allowances
Tax credit carryforward, tax benefit amount	14.2
Tax credit carryforward, valuation allowance	14.2
United States [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	5.5
Net operating loss carryforward, valuation allowance	0
Tax credit carryforward, tax benefit amount	2.1
Tax credit carryforward, valuation allowance	0
State and Local [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, tax benefit amount	15.5
Net operating loss carryforward, valuation allowance	0
Tax credit carryforward, tax benefit amount	4.7
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, 2014
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, 2014
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, 2023
Maximum [Member] | United States [Member]
Tax attributes and valuation allowances
Net operating loss carryforward, carryforward period ends	Sep. 30, 2027
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, 2028