I certainly can't say for sure - all I know is that we are starting to see a few more of the 62 and 63 crowd call it a career.
The company is actually the one throwing around the 200 number. Some will just cover our being short the last 3 years, some will cover retirement, some will cover the 4% to 6% growth they plan.
I do believe that once the school house opens in Jan / Feb 2012 that it will keep running with new hires for many years. It may not run 24/7 at TOGA power, but they will keep the lights on and a warm body in class just about every month of the year.
Of course if Mr Obama taxes us to death, or if Haji figures out a way to hit our country hard, or if the economy goes from bad to worse - all bets are off and the company will simply hunker down again.