Related Party Transactions (Details) (USD $)				12 Months Ended		12 Months Ended
	Apr. 20, 2012 member	Mar. 03, 2012	Feb. 26, 2011	Mar. 03, 2012 Jean Coutu Group	Apr. 20, 2012 Jean Coutu Group member	Mar. 03, 2012 Leonard Green & Partners, L. P.	Feb. 26, 2011 Leonard Green & Partners, L. P.	Feb. 27, 2010 Leonard Green & Partners, L. P.
Related Party Transactions
Receivables from related parties		$ 77,000	$ 81,000
Shares of common stock of entity owned by third party		898,687,000	890,297,000	234,401,162
Percentage of voting power owned by third party				25.20%
Number of shares disposed					56,000,000
Number of designees required to resign from the entity's board of directors					1
Number of members of board of directors prior to sale	11
Number of members of board of directors	10
Number of members of board of directors to be designated					2
Total number of directors required to approve certain transactions	0.66
Expenses for services provided						38,000	163,000	150,000
Expense reimbursement included in the fees						67,000	151,000	72,000
Monthly fee, paid in arrears, for consulting services						$ 12,500