STOCK BASED COMPENSATION - Summary of RSU Activity (Detail) - Restricted Stock Units (RSUs) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Number of Units
Non-vested as of beginning of year (in shares) | shares	439,080
Granted (in shares) | shares	574,712
Vested and Released (in shares) | shares	(326,797)
Forfeited (in shares) | shares	(139,760)
Non-vested as of end of year (in shares) | shares	547,235
Weighted Average Grant Date Fair Value Per Share
Non-vested as of beginning of year (in dollars per share) | $ / shares	$ 59.09
Granted (in dollars per share) | $ / shares	51.82
Vested and Released (in dollars per share) | $ / shares	54.63
Forfeited (in dollars per share) | $ / shares	55.72
Non-vested as of end of year (in dollars per share) | $ / shares	$ 54.96
Weighted Average Remaining Contractual Life
Non-vested as of December 31, 2020	1 year 1 month 6 days
Total Aggregate Intrinsic Value
Non-vested as of December 31, 2020 | $	$ 37.9