SHAREHOLDERS' EQUITY (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended					12 Months Ended	17 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2012	Dec. 31, 2012
Common Stock, Dividends, Per Share, Cash Paid (in Dollars per share)		$ 0.02	$ 0.02	$ 0.02	$ 0.02	$ 0.08
Dividends Payable, Amount Per Share (in Dollars per share)	$ 0.025						$ 0.025
Retained Earnings For Dividend Distributions	$ 1,464				$ 1,184
Share-based Compensation Arrangement by Share-based Payment Award, Description	Options granted under the Incentive Plan may be either "incentive stock options" or nonqualified stock options, generally expire ten years after the date of grant and are granted at an exercise price of not less than 100% of the fair market value at the date of grant.
Share-based Compensation	2,960				2,257
Stock Repurchase Program, Authorized Amount							50,000
Stock Repurchased During Period, Shares (in Shares)					723,630
Stock Repurchased During Period, Value					7,331
Stock Repurchased During Period Per Share (in Dollars per share)	$ 9.16				$ 10.13
Stock Repurchased Shares Total (in Shares)	2,076,075
Stock Repurchased Value Total	19,020
Stock Repurchase Program, Remaining Authorized Repurchase Amount	30,980
Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	3,000,000						3,000,000
Incentive Stock Options [Member]
Stock Issued During Period, Shares, New Issues (in Shares)	600,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)	938,700						938,700
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	883,500
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value	$ 9,433
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 10.68
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	829,100