Goodwill and Other Intangibles (Tables)

3 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Progression of Goodwill by Reportable Segment

The following is a progression of goodwill by reportable segment: 

	Chemicals			Plastics			Other			Total
Balance at September 30, 2016	$	331.6		$	271.1		$	63.0		$	665.7
Measurement period adjustment	(1.3		)	(0.6		)	(0.2		)	(2.1		)
Foreign currency translation	(0.3		)	(5.3		)	—			(5.6		)
Balance at December 31, 2016	$	330.0		$	265.2		$	62.8		$	658.0

Schedule of Finite-Lived Intangible Assets

Definite-lived intangible assets at December 31, 2016 and September 30, 2016 consisted of the following:

		December 31, 2016							September 30, 2016
	Estimated Useful Life (years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer-related	12	$	198.6	$	(9.3	)	$	189.3	$	200.3	$	(5.2	)	$	195.1
Trade name	4	21.0		(2.9		)	18.1		21.0		(1.7		)	19.3
Below-market leases	1-7	0.7		(0.2		)	0.5		0.7		(0.1		)	0.6
Asset purchase - acquired intangibles	10-13	8.5		—			8.5		—		—			—
Total		$	228.8	$	(12.4	)	$	216.4	$	222.0	$	(7.0	)	$	215.0

Schedule of Amortization Expense

Amortization expense recognized on the intangible assets described above was as follows:

	Successor		Predecessor
	Three Months Ended   December 31, 2016		Three Months Ended   December 31, 2015
Amortization expense	$	5.6	$	3.9