OTHER OPERATING STATEMENT DATA (SCHEDULE OF OTHER OPERATING COST AND EXPENSE) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Expenses:
Commission expense	$ 110.5	$ 103.8	$ 99.4
Salaries and wages	231.0	205.2	242.4
Other	454.8	430.2	461.0
Total other operating costs and expenses	$ 796.3	$ 739.2	$ 802.8