Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 25, 2010	May 31, 2010
Discontinued Operations [Abstract]
Date of sale on business disposal contracts			June 25, 2010
Aggregate purchase price on sale of contracts		$ 72,700,000	$ 35,200,000
Subordinated note receivable due to disposal of discontinued operations		20,600,000
Number of PWI common shares received in connection with disposal of discontinued operations		2,455,627
Percentage of common shares received compared to the total number of common shares				9.50%
Closing price of common stock at completion of sale			$ 5.95
Additional revenue due to outsourcing support services		8,000,000
Consideration for additional services		7,000,000
Fee shortfall reimbursement threshold		8,000,000
Fee shortfall reimbursement maximum		7,000,000
Reduction in present value of cash flow from seller note due to change in interest term	400,000
Uniform Net Capital Alternative Method minimum net capital required		250,000
Minimum percent of debit items for net capital requirement		2.00%
Percentage of minimum net capital to reduce the business		4.00%
Minimum net capital as a percent of debit items required where business expansion or dividend payments are not prohibited		5.00%
Amount of net capital		9,100,000
Net capital in excess of minimum requirement		$ 8,800,000