GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Carrying Amounts of Goodwill Attributable to Segment (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Goodwill [Line Items]  
Beginning Balance $ 145,518
Translation adjustment (1,005)
Ending Balance 144,513
Titanium Segment  
Goodwill [Line Items]  
Beginning Balance 23,873
Translation adjustment 0
Ending Balance 23,873
Engineered Products and Services Segment  
Goodwill [Line Items]  
Beginning Balance 121,645
Translation adjustment (1,005)
Ending Balance $ 120,640