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DEBT - Revolving Credit Facility (Detail)
6 Months Ended
Jun. 30, 2018
USD ($)
equity_cure_right
fiscal_quarter
Jun. 29, 2018
USD ($)
Jan. 26, 2018
USD ($)
Dec. 31, 2017
USD ($)
Debt Instrument [Line Items]        
Revolving credit facility $ 0     $ 0
Revolving Credit Facility | Restated Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity on line of credit   $ 600,000,000 $ 500,000,000.0  
Maximum capitalization ratio 60.00%      
Minimum consolidated tangible net worth requirement $ 1,700,000,000.0      
Revolving credit facility $ 40,000,000      
Maximum consecutive days for financial covenant 5 days      
Number of consecutive fiscal quarters in which equity cure right can be used twice (in fiscal quarter) | fiscal_quarter 4      
Maximum number of times equity cure right can be exercised | equity_cure_right 5