COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS [Abstract]
Number of principal shareholders and senior executive officers	3
Capital Leases [Abstract]
2013	$ 3.3
2014	2.9
2015	2.5
2016	0.8
2017	0.2
Total minimum lease payments	9.7
Lease obligation net of subleases	9.7
Less amount representing interest	1.6
Present value of minimum capital lease payments (including current portion of $2.8 Mil)	8.1
Present value of minimum capital lease payments, current portion	2.8
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	28.5
2014	26.2
2015	25.6
2016	23.5
2017	23.0
2018-2022	63.3
2023-2027	26.1
Thereafter	17.2
Total minimum lease payments	233.4
Less: sublease rental income	0.1
Lease obligation net of subleases	233.3
Total lease [Abstract]
2013	31.8
2014	29.1
2015	28.1
2016	24.3
2017	23.2
2018-2021	63.3
2023-2026	26.1
Thereafter	17.2
Total minimum lease payments	243.1
Less: sublease rental income	0.1
Lease obligation net of subleases	243.0
Annual rent expense	33.4	30.8	31.1
Related party rent expense	0.9	0.9	0.9
Rent expense net of sublease income	$ 0.2	$ 0.2	$ 0.2