OPERATING LEASES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating leases, rent expense [Abstract]
Rent expense, including pole rentals	$ 82,704	$ 77,769	$ 75,553
Minimum future annual payment for all operating leases from continuing operations, including pole rentals [Abstract]
2016	65,847
2017	68,820
2018	57,560
2019	45,184
2020	41,520
Thereafter	$ 161,929