Commitments and Contingencies (Tables)

12 Months Ended

Sep. 30, 2016

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 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
Additional accruals		10.4
Liabilities settled		(4.4)
Accretion expense		5.4
Currency translation adjustment		(.9)
Balance at 30 September 2016	$	119.9
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:
2017	$	942
2018		525
2019		307
2020		298
2021		276
Thereafter		2,983
Total	$	5,331