STOCK PLANS AND SHARE-BASED COMPENSATION (Fair Value Assumptions) (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rates	0.00%	[1]	1.01%		0.00%	[1]	1.01%
Expected volatility rates	0.00%	[1]	45.00%		0.00%	[1]	45.00%
Expected dividend yield	0.00%	[1]	0.51%		0.00%	[1]	0.51%
Expected term of stock options/purchase right (in years)	0 months	[1]	6 years 4 months 24 days		0 months	[1]	6 years 4 months 24 days
Weighted-average grant date fair value of options granted	$ 0.00	[1]	$ 18.31		$ 0.00	[1]	$ 18.31
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rates	0.00%	[2]	0.00%	[2]	0.11%		0.09%
Expected volatility rates	0.00%	[2]	0.00%	[2]	33.00%		48.00%
Expected dividend yield	0.00%	[2]	0.00%	[2]	0.80%		0.54%
Expected term of stock options/purchase right (in years)	0 years	[2]	0 years	[2]	6 months		6 months
Weighted-average estimated fair value of purchase rights	$ 0.00	[2]	$ 0.00	[2]	$ 9.14		$ 10.42

[1] The Company did not grant stock options in the first six months of 2013, and therefore no fair-value assumptions were reported for those periods.

[2] There were no employee stock purchase rights granted in the three months ended June 30, 2013 and 2012.