Annual report pursuant to Section 13 and 15(d)

Acquisitions (Details 3)

v2.4.0.6
Acquisitions (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Sep. 30, 2012
Sep. 30, 2010
Sep. 30, 2012
Policy Studies, Inc
Sep. 30, 2011
Policy Studies, Inc
Acquisition Disclosures              
Acquisition-related expenses $ 766 $ 1,877 $ 233 $ 2,876 $ 254 $ 2,900  
Pro forma Information              
Revenue           1,132,177 1,065,345
Income from continuing operations           $ 75,252 $ 82,993