Fair Value of Financial Instruments Fair Value of Financial Instruments (Tables)

12 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Carrying at Fair Value on Recurring Basis

	September 30, 2017								September 30, 2016
	Level 1		Level 2		Level 3		Fair Value		Level 1		Level 2		Level 3		Fair Value
Derivative Assets	$	—	$	4.5	$	—	$	4.5	$	—	$	8.7	$	—	$	8.7
Derivative Liabilities	—		17.6		—		17.6		—		3.2		—		3.2

Schedule of Assets and Liabilities not Measured at Fair Value

Financial Assets and Liabilities Not Measured at Fair Value

The carrying amount, estimated fair value and the level of the fair value hierarchy of the Company’s financial instrument assets and liabilities which are not measured at fair value in the accompanyingConsolidated Balance Sheetsare summarized as follows:

	September 30, 2017
	Level 1		Level 2		Level 3		Fair Value		Carrying Amount
Total debt	$	—	$	5,908.0	$	92.0	$	6,000.0	$	5,774.1

	September 30, 2016
	Level 1		Level 2		Level 3		Fair Value		Carrying Amount
Asset-based loans, included in prepaid expenses and other current assets	$	—	$	—	$	33.3	$	33.3	$	33.3
Total debt	—		5,700.1		121.9		5,822.0		5,525.8

The carrying value of cash and cash equivalents, receivables and payables approximate fair value due to their short duration and, accordingly, they are not presented in the tables above.The fair value of debt set forth above is generally based on quoted or observed market prices.