RETIREMENT BENEFITS PLANS (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Employer contributions		$ 1.8
Selling, general and administrative expenses recorded in conjunction with the buy-out of the plan		5.6
Total contributions made by the Company	$ 5.6	$ 3.7	$ 3.0