SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - Schedule of Valuation and Qualifying Accounts (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Allowance for Doubtful Accounts [Member]
Segment Reporting Information [Line Items]
Balance at Beginning of Year	$ 6,136	$ 5,433	$ 6,072
Recorded to Cost and Expense	4,014	3,673	3,487
Accounts Written Off, net	(2,769)	(2,968)	(3,904)
Other	(45)	(2)	(222)
Balance at End of Year	7,336	6,136	5,433
Inventory valuation [Member]
Segment Reporting Information [Line Items]
Balance at Beginning of Year	15,728	18,787	19,557
Recorded to Cost and Expense	13,613	5,788	3,487
Accounts Written Off, net	(12,627)	(8,490)	(3,995)
Other	(101)	(357)	(262)
Balance at End of Year	16,613	15,728	18,787
Deferred tax valuation allowance [Member]
Segment Reporting Information [Line Items]
Balance at Beginning of Year	13,421	10,541	9,481
Recorded to Cost and Expense	(666)	2,880	1,060
Accounts Written Off, net	0	0	0
Other	0	0	0
Balance at End of Year	12,755	13,421	10,541
Bad debts [Member] | Allowance for Doubtful Accounts [Member]
Segment Reporting Information [Line Items]
Balance at Beginning of Year	4,080	4,146	4,610
Recorded to Cost and Expense	359	1,813	1,469
Accounts Written Off, net	(784)	(1,888)	(1,744)
Other	(28)	9	(189)
Balance at End of Year	3,627	4,080	4,146
Sales returns and allowances [Member] | Allowance for Doubtful Accounts [Member]
Segment Reporting Information [Line Items]
Balance at Beginning of Year	2,056	1,287	1,462
Recorded to Cost and Expense	3,655	1,860	2,018
Accounts Written Off, net	(1,985)	(1,080)	(2,160)
Other	(17)	(11)	(33)
Balance at End of Year	$ 3,709	$ 2,056	$ 1,287