INVENTORIES (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 50.9	$ 93.7
Excess over average costs on long-term contracts	438.1	320.6
Work-in-process inventories
Inventory [Line Items]
Costs and estimated earnings in excess of billings on uncompleted contracts	87.7	127.9
Excess over average costs on long-term contracts	$ 438.1	$ 320.6