Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Future Minimum Annual Rental Commitments Under Various Noncancellable Operating Leases

Future minimum annual rental commitments as of December 31, 2011 under various noncancellable operating leases for our office facilities, which expire at various dates through 2020, are as follows:

		September 30,
	Year Ended
In thousands	December 31,
2012	$	9,243
2013		9,163
2014		7,845
2015		7,741
2016		6,194
Thereafter		9,067
Total minimum operating lease payments	$	49,253