COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) $ in Millions		3 Months Ended	12 Months Ended
	Mar. 01, 2016 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) Officers State	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Number of principal shareholders and senior executive officers | Officers			3
Capital Leases [Abstract]
2017			$ 0.1
2018			0.1
2019			0.0
2020			0.0
2021			0.0
2022-2026			0.0
2027-2031			0.0
Thereafter			0.0
Total minimum lease payments			0.2
Less: sublease rental income			0.0
Lease obligation net of subleases			0.2
Less amount representing interest			0.0
Present value of minimum capital lease payments (including current portion of $0.2)			0.2
Operating Leases [Abstract]
2017			23.0
2018			21.1
2019			20.0
2020			16.6
2021			12.2
2022-2026			44.2
2027-2031			19.8
Thereafter			1.8
Total minimum lease payments			158.7
Less: sublease rental income			10.9
Lease obligation net of subleases			147.8
Total lease [Abstract]
2017			23.1
2018			21.2
2019			20.0
2020			16.6
2021			12.2
2022-2026			44.2
2027-2031			19.8
Thereafter			1.8
Total minimum lease payments			158.9
Less: sublease rental income			10.9
Lease obligation net of subleases			148.0
Annual rent expense			17.7	$ 26.4	$ 31.5
Related party rent expense			0.9	1.0	0.9
Rent expense net of sublease income			$ 0.4	0.1	0.0
Number of states seeking recovery of unclaimed property | State			43
Duration of sentence given to Gilbert Fiorentino based on whistleblower report			60 months
Duration of sentence given to Carl Fiorentino based on whistleblower report			80 months
Duration of supervised release to Gilbert Fiorentino for whistleblower report			36 months
Duration of supervised release to Carl Fiorentino for whistleblower report			36 months
Restitution from Gilbert and Carl Fiorentino	$ 36.0
NATG [Member]
Total lease [Abstract]
Annual rent expense			$ 1.3	$ 10.7	$ 18.3
Proceeds from partial restitution settlement		$ (1.3)	$ (1.3)