Acquisitions - TUYO (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 01, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2015
Business Acquisition [Line Items]
Payments to acquire remaining equity interest in subsidiary		$ 32,411	$ 29,775	$ 627
TUYO [Member]
Business Acquisition [Line Items]
Ownership percentage by noncontrolling owners					41.00%
Payments to acquire remaining equity interest in subsidiary	$ 2,800
Note payable issued to acquire remaining equity interest in subsidiary	$ 300
Note payable issued to acquire remaining equity interest in subsidiary, payable period	5 years
Ownership interest in subsidiaries					59.00%