ACQUISITION OF DNP PHOTOMASK TECHNOLOGY TAIWAN CO., LTD. (Details) - USD ($) $ in Millions	Apr. 04, 2014	Aug. 02, 2015
Business Acquisition [Line Items]
Date of acquisition	Apr. 04, 2014
Ownership percentage in PDMC (in hundredths)		50.01%
DNP [Member]
Business Acquisition [Line Items]
Ownership percentage of noncontrolling interests (in hundredths)		49.99%
DPTT [Member]
Business Acquisition [Line Items]
Date of acquisition	Apr. 04, 2014
Consideration transferred	$ 98.3

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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