COMMITMENTS AND CONTINGENCIES (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Lease Obligations
Total operating lease expense, net of sublease income	$ 12.8	$ 10.9	$ 10.8
Escrow and Trust Balances
Amounts held in escrow and trust accounts	$ 71.8	$ 47.2
Minimum
Operating Lease Obligations
Customary lease term	3 years
Maximum
Operating Lease Obligations
Customary lease term	6 years