Segment Data and Related Information (Other Disclosures) (Details)	3 Months Ended		3 Months Ended
	Dec. 31, 2013 segment division	Sep. 30, 2013	Dec. 31, 2013 Customer Concentration Risk Sales Revenue, Segment Photovoltaics	Dec. 31, 2012 Customer Concentration Risk Sales Revenue, Segment Photovoltaics	Dec. 31, 2013 Customer Concentration Risk Sales Revenue, Segment Fiber Optics	Dec. 31, 2012 Customer Concentration Risk Sales Revenue, Segment Cisco	Dec. 31, 2012 Customer Concentration Risk Sales Revenue, Segment Suncore
Segment Reporting [Abstract]
Number of operating segments	3
Number of reporting segments	2
Segment Reporting Information [Line Items]
Revenue by customer, percentage			14.00%	0.00%	0.00%	11.00%	5.00%
Percentage of long-lived assets located in the United States	80.00%	80.00%