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SHARE-BASED COMPENSATION - Restricted Stock Activity (Detail) - Restricted stock - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Shares      
Beginning balance 1,880 1,671 1,363
Granted 638 584 782
Canceled (145) (27) (56)
Vested (558) (348) (418)
Ending Balance 1,815 1,880 1,671
Weighted-Average Grant-Date Fair Value Per Share      
Beginning balance $ 54.33 $ 52.12 $ 50.19
Granted 61.51 62.12 52.77
Canceled 57.52 52.66 48.63
Vested 48.41 56.95 47.49
Ending Balance $ 58.42 $ 54.33 $ 52.12