STOCK PLANS (Details) (USD $)	12 Months Ended					12 Months Ended																		12 Months Ended
	Dec. 31, 2013 plan	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Low end of range	Dec. 31, 2011 High end of range	Dec. 31, 2013 Stock options	Dec. 31, 2012 Stock options	Dec. 31, 2011 Stock options	Dec. 31, 2012 Stock options Key employees	Dec. 31, 2013 Restricted stock	Dec. 31, 2013 Restricted stock One-third per year	Dec. 31, 2012 Restricted stock One-third per year	Dec. 31, 2011 Restricted stock One-third per year	Dec. 31, 2013 Restricted stock One-sixth per year	Dec. 31, 2013 Restricted stock units	Dec. 31, 2012 Restricted stock units	Dec. 31, 2012 Restricted stock units Third anniversary	Dec. 31, 2012 Restricted stock units One-sixth per year	Dec. 31, 2011 Employee stock	Dec. 31, 2011 2011 Performance-based restricted stock awards One-third per year	Dec. 31, 2011 Time-based and performance-based restricted stock awards	Dec. 31, 2013 Time-based and performance-based restricted stock awards	Dec. 31, 2012 Time-based and performance-based restricted stock awards	Dec. 31, 2013 Time-based and performance-based restricted stock awards One-third per year	Dec. 31, 2012 Time-based and performance-based restricted stock awards One-third per year	Dec. 31, 2012 2007 Stock Incentive Plan	May 31, 2007 2007 Stock Incentive Plan	Dec. 31, 2012 2010 Stock Incentive Plan	May 31, 2010 2010 Stock Incentive Plan	Dec. 31, 2013 2013 Stock Incentive Plan	May 31, 2013 2013 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Stock Incentive Plans	3
Shares authorized for issuance																											2,000,000		2,000,000		2,000,000
Shares available for issuance																										18,857		1,213,046		2,000,000
Grants in period (in shares)										441,629	441,629	315,030	14,004		0	110,000	20,000	90,000		748,000	762,004			132,056	22,530
Awards vesting on third anniversary of the grant date (in shares)																						310,000	293,000
Percent of awards or options that vest each year												33.33%	33.33%	16.67%
Grants in period (in shares)							20,000		20,000
Vesting period									5 years
Award options expiration term									10 years
Weighted-average grant-date fair value of options granted (in dollars per share)									$ 6.26
Total fair value of options vested						$ 900,000	$ 1,000,000	$ 1,400,000
Stock-based compensation, pre-tax	10,500,000	10,400,000	9,700,000
Stock-based compensation, after-tax	6,300,000	6,600,000	5,900,000
Compensation cost related to nonvested awards not yet recognized	8,800,000	13,000,000				100,000	300,000			8,700,000						12,700,000
Weighted average remaining period over which cost to be recognized	1 year 8 months 12 days
Discount rate as a percentage of the high and low sale price per share on last trading day																			5.00%
Employee contribution as a percentage of eligible gross pay				1.00%	10.00%
Maximum share value up to which employees may purchase shares																			$ 25,000
Shares purchased by employee																			2,567