Deconsolidation	12 Months Ended
Sep. 30, 2017
Equity [Abstract]
Deconsolidation	Deconsolidation In fiscal 2015, we deconsolidated Kingstone, eliminating the assets, liabilities and non-controlling interests recorded for Kingstone from our Consolidated Balance Sheet, thereby reducing our ownership to 15% of the Hong Kong holding company. In fiscal 2015, we recorded a gain of $8.8 million as a result of the deconsolidation. The gain was computed as follows: the fair value of consideration received, plus the fair values of the retained non-controlling interest and the sales and service rights, less the carrying value of Kingstone’s net assets. Based on the terms of the transaction agreements, in fiscal 2016, we received a payment of $4.9 million from Kingstone for its exclusive sale and service rights in the solar ion implant equipment. We recognized a gain on the sale of $2.6 million for the year ended September 30, 2016, which is included in our Consolidated Statement of Operations in Gain on sale of other assets. Our remaining investment in Kingstone is accounted for using the equity method for periods subsequent to the deconsolidation due to our ability to exert significant influence over the financial and operating policies of Kingstone, primarily through our representation on the board of directors. See Note 14 “Investment” for additional details.

Deconsolidation

In fiscal 2015, we deconsolidated Kingstone, eliminating the assets, liabilities and non-controlling interests recorded for Kingstone from our Consolidated Balance Sheet, thereby reducing our ownership to 15% of the Hong Kong holding company. In fiscal 2015, we recorded a gain of $8.8 million as a result of the deconsolidation. The gain was computed as follows: the fair value of consideration received, plus the fair values of the retained non-controlling interest and the sales and service rights, less the carrying value of Kingstone’s net assets. Based on the terms of the transaction agreements, in fiscal 2016, we received a payment of $4.9 million from Kingstone for its exclusive sale and service rights in the solar ion implant equipment. We recognized a gain on the sale of $2.6 million for the year ended September 30, 2016, which is included in our Consolidated Statement of Operations in Gain on sale of other assets.

Our remaining investment in Kingstone is accounted for using the equity method for periods subsequent to the deconsolidation due to our ability to exert significant influence over the financial and operating policies of Kingstone, primarily through our representation on the board of directors. See Note 14 “Investment” for additional details.