SEGMENT INFORMATION (Details 3) - USD ($) $ in Millions	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues and long-lived assets by geographic region
Total revenues	$ 2,757.2	$ 2,786.8	$ 2,732.4	$ 2,170.1	$ 2,235.4	$ 2,043.3	$ 2,041.1	$ 1,886.2	$ 4,902.5	$ 3,927.3	$ 7,689.3	$ 5,970.6	$ 10,446.5	$ 8,206.0	$ 5,769.6
Long-Lived Assets	1,441.8				1,312.3								1,441.8	1,312.3	1,234.2
U.S. and Puerto Rico
Revenues and long-lived assets by geographic region
Total revenues													7,063.0	4,415.5	3,194.5
Long-Lived Assets	824.3				720.0								824.3	720.0	592.0
Canada
Revenues and long-lived assets by geographic region
Total revenues													333.6	375.1	387.4
Long-Lived Assets	75.6				83.7								75.6	83.7	87.7
China
Revenues and long-lived assets by geographic region
Total revenues													271.5	232.0	91.0
Long-Lived Assets	32.7				39.6								32.7	39.6	44.3
Poland
Revenues and long-lived assets by geographic region
Total revenues													213.5	276.2	268.8
Long-Lived Assets	88.6				99.4								88.6	99.4	110.0
Japan
Revenues and long-lived assets by geographic region
Total revenues													206.4	248.7	104.9
Mexico
Revenues and long-lived assets by geographic region
Total revenues													203.9	221.6	200.9
Long-Lived Assets	62.3				73.8								62.3	73.8	82.5
Australia
Revenues and long-lived assets by geographic region
Total revenues													182.3	196.3	178.2
France
Revenues and long-lived assets by geographic region
Total revenues													178.3	204.7	86.9
Long-Lived Assets	29.9				36.0								29.9	36.0	40.5
Russia
Revenues and long-lived assets by geographic region
Total revenues													168.9	275.1	202.8
Germany
Revenues and long-lived assets by geographic region
Total revenues													159.4	204.4	130.9
Long-Lived Assets	62.6				73.5								62.6	73.5	83.8
Brazil
Revenues and long-lived assets by geographic region
Total revenues													110.2	161.0	155.6
Long-Lived Assets	20.4				31.4								20.4	31.4	41.4
U.K.
Revenues and long-lived assets by geographic region
Total revenues													105.1	114.2	47.0
Other
Revenues and long-lived assets by geographic region
Total revenues													1,250.4	1,281.2	720.7
Long-Lived Assets	100.1				100.0								100.1	100.0	86.7
Egypt
Revenues and long-lived assets by geographic region
Long-Lived Assets	97.3				0.0								97.3	0.0	0.0
Serbia
Revenues and long-lived assets by geographic region
Long-Lived Assets	27.3				31.8								27.3	31.8	40.0
Italy
Revenues and long-lived assets by geographic region
Long-Lived Assets	$ 20.7				$ 23.1								$ 20.7	$ 23.1	$ 25.3