GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Balance, beginning period	$ 2,548,834	$ 2,550,570
Acquisition of PHS		4,164
Acquisition of MHP		4,871
Deferred tax adjustments		(10,771)
Acquisition of FHP	42,654
Balance, ending period	2,591,488	2,548,834
Commercial Products [Member]
Goodwill [Roll Forward]
Balance, beginning period	1,518,258	1,516,745
Acquisition of PHS		4,164
Acquisition of MHP		4,033
Deferred tax adjustments		(6,684)
Acquisition of FHP	0
Balance, ending period	1,518,258	1,518,258
Government Programs [Member]
Goodwill [Roll Forward]
Balance, beginning period	223,934	227,183
Acquisition of PHS		0
Acquisition of MHP		838
Deferred tax adjustments		(4,087)
Acquisition of FHP	42,654
Balance, ending period	266,588	223,934
Workers' Compensation [Member]
Goodwill [Roll Forward]
Balance, beginning period	806,642	806,642
Acquisition of PHS		0
Acquisition of MHP		0
Deferred tax adjustments		0
Acquisition of FHP	0
Balance, ending period	$ 806,642	$ 806,642