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PDMCX JOINT VENTURE, VIE (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Jan. 31, 2018
Jan. 31, 2021
Feb. 02, 2020
PDMCX [Member]      
Variable Interest Entity [Abstract]      
Gain (loss) on consolidation $ 0.0    
Total committed investment   $ 160.0  
Term from inception after which interest holder may put their interest in the VIE   2 years  
Period before put or purchase option can be exercised   6 months  
Operating (loss)   $ (0.1) $ (3.7)
PDMCX [Member] | Minimum [Member]      
Variable Interest Entity [Abstract]      
Ownership percentage   20.00%  
PDMCX [Member] | Maximum [Member]      
Variable Interest Entity [Abstract]      
Number of business days for obtaining required approvals and clearance for exiting party   3 days  
PDMCX [Member] | Local Financing [Member]      
Variable Interest Entity [Abstract]      
Local financing   $ 50.0  
PDMCX [Member] | Local Financing [Member] | Assets Pledged as Collateral [Member]      
Variable Interest Entity [Abstract]      
Collateral amount   $ 95.7  
Photronics Interest [Member]      
Variable Interest Entity [Abstract]      
Ownership percentage   50.01%  
Financial or other support, amount   $ 65.0  
Maximum exposure to loss   56.8  
DNP [Member]      
Variable Interest Entity [Abstract]      
Ownership percentage 49.99%    
Financial or other support, amount   $ 65.0