Operatons and summary of significant accounting policies (Table)

12 Months Ended

Sep. 30, 2017

Basis of Presentation

Schedule of Reclassifications of Amortization Expense of Intangible Assets

	Year Ended September 30,
	2017		2016		2015
Allocation to Cost of goods sold	$	7,800	$	8,420	$	9,115
Allocation to Selling, general and administrative expenses		17,977		19,066		20,126
Total amortization of intangible assets	$	25,777	$	27,486	$	29,241

	2017 Fiscal Quarters
	First		Second		Third		Fourth
Allocation to Cost of goods sold	$	1,954	$	1,943	$	1,948	$	1,955
Allocation to Selling, general and administrative expenses		4,504		4,488		4,491		4,494
Total amortization of intangible assets	$	6,458	$	6,431	$	6,439	$	6,449
	2016 Fiscal Quarters
	First		Second		Third		Fourth
Allocation to Cost of goods sold	$	2,180	$	2,162	$	2,117	$	1,961
Allocation to Selling, general and administrative expenses		4,766		4,764		4,770		4,766
Total amortization of intangible assets	$	6,946	$	6,926	$	6,887	$	6,727

Schedule of Accounts Receivable

	September 30,		September 30,
	2017		2016
Accounts receivable from:
Customers	$	367,715	$	341,215
Other (Chinese financial institutions)		38,243		5,093
Allowance for uncollectible customer amounts		(3,776)		(2,540)
	$	402,182	$	343,768

Schedule of Property, Plant and Equipment Useful Lives

Land improvements	3	-	20	years
Buildings and improvements	3	-	40	years
Leasehold improvements	1	-	10	years
Machinery and production equipment	3	-	20	years
Computer equipment and software	3	-	10	years
Office furniture and equipment	3	-	13	years
Other	3	-	13	years

Schedule of Finite-Lived Intangible Assets Useful Lives

Customer relationships	9	-	30	years
Intellectual property	10	-	17	years
Process technology	8	-	30	years
Other			15	years