Goodwill and Other Intangibles (Tables)

9 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Progression of Goodwill by Reportable Segment

The following is a progression of Successor goodwill by reportable segment: 

Successor	Chemicals			Plastics			Other		Total
Balance September 30, 2015	$	—		$	—		$	—	$	—
Business Combination	335.3			295.0			65.3		695.6
Foreign currency translation	(0.1		)	(2.1		)	—		(2.2		)
Balance at June 30, 2016	$	335.2		$	292.9		$	65.3	$	693.4

Schedule of Finite-Lived Intangible Assets

Definite-lived intangible assets at June 30, 2016 and September 30, 2015 consisted of the following: 

		Successor
		June 30, 2016
	Estimated Useful Life (years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer-related	12	$	197.0	$	(1.0	)	$	196.0
Trade name	4	20.5		(0.3		)	20.2
Total		$	217.5	$	(1.3	)	$	216.2

		Predecessor
		September 30, 2015
	Estimated Useful Life (years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer-related	5-14	$	121.3	$	(33.6	)	$	87.7
Supplier-related	10	17.0		(2.6		)	14.4
Leasehold interest	1-20	2.1		(1.3		)	0.8
Non-compete agreements	3-5	10.0		(4.5		)	5.5
Trademarks and trade names	2-6	6.2		(3.2		)	3.0
Total		$	156.6	$	(45.2	)	$	111.4

Schedule of Amortization Expense

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

	Successor				Predecessor
	Three Months Ended   June 30, 2016		Nine Months Ended   June 30, 2016		April 1 Through June 8, 2016		October 1, 2015 Through June 8, 2016		Three Months Ended June 30, 2015		Nine Months Ended June 30, 2015
Amortization expense	$	1.3	$	1.3	$	2.8	$	10.6	$	3.9	$	11.8