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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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RESTRUCTURING AND OTHER RELATED CHARGES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016 USD ($) position	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 5,900	$ 0	$ 5,900	$ 0
Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 5,900		5,900
Number of positions eliminated \| position	83
Restructuring Reserve [Roll Forward]
Restructuring Reserve			0
Restructuring Charges			5,069
Payments for Restructuring			(775)
Restructuring Reserve	$ 4,294		4,294
Plastics [Member] \| Workforce Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	3,337		3,337
Restructuring Reserve [Roll Forward]
Restructuring Reserve			0
Restructuring Charges			3,337
Payments for Restructuring			(530)
Restructuring Reserve	2,807		2,807
Plastics [Member] \| Facilities & Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	659		659
Restructuring Reserve [Roll Forward]
Restructuring Reserve			0
Restructuring Charges			659
Payments for Restructuring			(28)
Restructuring Reserve	631		631
Plastics [Member] \| Other Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	1,073		1,073
Restructuring Reserve [Roll Forward]
Restructuring Reserve			0
Restructuring Charges			1,073
Payments for Restructuring			(217)
Restructuring Reserve	856		856
Plastics [Member] \| Non-cash Facility and Other
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 831		$ 831