SUBSEQUENT EVENTS (Details) $ in Millions		1 Months Ended
	Aug. 05, 2016 shares	Jul. 31, 2016 USD ($) ft²	Aug. 02, 2016 USD ($)	Feb. 29, 2016 ft²
Purchase Agreement | Building and Building Improvements
Subsequent Events
Area of real estate property | ft²				1,000,000
Subsequent event | Purchase Agreement | Building and Building Improvements
Subsequent Events
Area of real estate property | ft²		75,425
Purchase agreement to acquire real estate property | $		$ 12.6
Subsequent event | August 2016 Repurchase Plan
Subsequent Events
Stock repurchase program, authorized amount | $			$ 250.0
Common stock repurchased (in shares) | shares	0