Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2015

Commitments And Contingencies [Abstract]

Schedule of Change in Asset Retirement Obligation [Table Text Block]

Changes to the carrying amount of our asset retirement obligations are as follows:
Balance at 30 September 2013	$	89.8
Additional accruals		5.6
Liabilities settled		(4.9)
Accretion expense		5.2
Currency translation adjustment		(1.7)
Balance at 30 September 2014	$	94.0
Additional accruals		17.6
Liabilities settled		(3.6)
Accretion expense		4.7
Currency translation adjustment		(3.3)
Balance at 30 September 2015	$	109.4
These obligations are primarily reflected in other noncurrent liabilities on the consolidated balance sheets.

Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block]

We are obligated to make future payments under unconditional purchase obligations as summarized below:
2016	$	917
2017		117
2018		63
2019		55
2020		54
Thereafter		164
Total	$	1,370