ACQUISITION OF DNP PHOTOMASK TECHNOLOGY TAIWAN CO., LTD. (Details) (USD $)	0 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended	9 Months Ended		3 Months Ended	4 Months Ended	9 Months Ended
	Apr. 04, 2014	Aug. 03, 2014	Aug. 03, 2014	Jul. 28, 2013	Aug. 03, 2014 DNP [Member]	Jul. 28, 2013 DPTT [Member]	Aug. 03, 2014 DPTT [Member]	Jul. 28, 2013 DPTT [Member]	Aug. 03, 2014 PDMC [Member]	Aug. 03, 2014 PDMC [Member]	Aug. 03, 2014 Customer Relationships [Member]
Business Acquisition [Line Items]
Date of acquisition			Apr. 04, 2014
Consideration transferred	$ 41,000,000
Ownership percentage in PDMC (in hundredths)		50.01%	50.01%
Ownership percentage of noncontrolling interests (in hundredths)					49.99%
Estimated amortization period											12 years
Acquisition costs related to the merger included in selling, general and administrative expense		0	2,500,000
Revenues									45,800,000	58,900,000
Net income									3,200,000	3,600,000
Reduction of depreciation recorded against DPTT long-lived assets			$ 58,412,000	$ 55,081,000		$ (3,200,000)	$ (6,600,000)	$ (9,700,000)