Accrued Expenses And Other Current Liabilities (Details) (USD $)	Dec. 31, 2011		Mar. 31, 2011
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accrued payroll and employee benefits	$ 92,998,000		$ 121,691,000
Self Insurance Reserve, Current	49,221,000	[1]	45,438,000	[1]
Taxes other than income taxes	19,129,000		21,218,000
Cash overdraft	67,459,000		64,601,000
Deferred Revenue, Current	27,935,000		26,401,000
Accrued costs related to unsolicited takeover attempt (Note 19)	998,000		43,452,000
Other accrued expenses and current liabilities	81,039,000		68,743,000
Accrued expenses and other current liabilities	338,779,000		391,544,000
Insurance receivables	$ 12,200,000		$ 12,200,000

[1] With respect to the business insurance reserves above, the Company had corresponding insurance receivables of $12.2 million at both December 31, 2011 and March 31, 2011, which are included within the “Prepaid expenses and other current assets” line item on the Company’s Consolidated Balance Sheets. The insurance receivables represent the balance of probable claim losses in excess of the Company’s self-insured retention for which the Company is fully insured.