CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
REVENUES    
Customer services $ 330,909 $ 313,388
COSTS AND EXPENSES    
Cost of services provided 168,043 161,308
Depreciation and amortization 10,781 10,214
Sales, general and administrative 105,575 100,832
Gain on sale of assets, net (55) (248)
Interest income, net (47) (76)
INCOME BEFORE INCOME TAXES 46,612 41,358
PROVISION FOR INCOME TAXES 16,331 15,592
NET INCOME $ 30,281 $ 25,766
NET INCOME PER SHARE - BASIC AND DILUTED (in dollars per share) $ 0.14 $ 0.12
DIVIDENDS PAID PER SHARE (in dollars per share) $ 0.08 $ 0.07
Weighted average participating shares outstanding - basic and diluted (in shares) 218,541,000 218,986,000