ACQUISITION OF DNP PHOTOMASK TECHNOLOGY TAIWAN CO., LTD., Pro Forma Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended											12 Months Ended
	Nov. 02, 2014	Aug. 03, 2014	May 04, 2014		Feb. 02, 2014		Nov. 03, 2013		Jul. 28, 2013	Apr. 28, 2013	Jan. 27, 2013	Nov. 02, 2014		Nov. 03, 2013		Oct. 28, 2012
Business Acquisition, Pro Forma Information [Abstract]
Revenues												$ 499,968		$ 514,265
Net income												23,969		34,922
Net income attributable to Photronics, Inc. shareholders	4,277	4,186	15,540	[1],[2]	1,993	[3]	4,840	[4]	5,940	4,863	2,323	25,996	[1],[5]	17,966	[4]	27,868
Diluted earnings per share (in dollars per share)												$ 0.19		$ 0.36
Pro Forma [Member]
Business Acquisition, Pro Forma Information [Abstract]
Net income attributable to Photronics, Inc. shareholders												$ 12,169		$ 21,902

[1] Includes non-cash gain of $16.4 million, net of tax, related to the acquisition of DPTT.

[2] Includes expenses of $2.0 million, net of tax, related to the acquisition of DPTT.

[3] Includes expenses of $0.5 million, net of tax, related to the acquisition of DPTT.

[4] Includes expenses of $0.8 million, net of tax, related to the subsequent acquisition of DPTT.

[5] Includes expenses of $2.5 million, net of tax, related to the acquisition of DPTT.