SIGNIFICANT ACCOUNTING POLICIES - Schedule of Inventories (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Inventory [Line Items]
Inventories	$ 43.3	$ 55.9
Sugar inventories
Inventory [Line Items]
Inventories	17.5	16.3
Asphalt
Inventory [Line Items]
Inventories	7.4	12.8
Processed rock, Portland cement, and sand
Inventory [Line Items]
Inventories	12.6	12.2
Work in progress
Inventory [Line Items]
Inventories	3.0	3.7
Retail merchandise
Inventory [Line Items]
Inventories	1.7	1.6
Parts, materials and supplies inventories
Inventory [Line Items]
Inventories	$ 1.1	$ 9.3