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

6 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Assets and Liabilities Carrying at Fair Value on Recurring Basis

The Company’s consolidated assets and liabilities measured at fair value are summarized according to the hierarchy previously described as follows:

	March 31, 2018								September 30, 2017
	Level 1		Level 2		Level 3		Fair Value		Level 1		Level 2		Level 3		Fair Value
Derivative Assets	$	—	$	3.7	$	—	$	3.7	$	—	$	1.5	$	—	$	1.5
Derivative Liabilities	—		1.1		—		1.1		—		3.3		—		3.3

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 instruments which are not measured at fair value in the accompanying Condensed Consolidated Balance Sheets are summarized as follows:

	March 31, 2018
	Level 1		Level 2		Level 3		Fair Value		Carrying Amount
Total debt	$	—	$	5,441.5	$	—	$	5,441.5	$	5,318.7

	September 30, 2017
	Level 1		Level 2		Level 3		Fair Value		Carrying Amount
Total debt	$	—	$	5,839.0	$	92.0	$	5,931.0	$	5,705.1