Consolidated Balance Sheets Balance Sheet Parenthetical (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Allowance for Doubtful Accounts Receivable	$ 35,543	$ 28,650
Preferred Stock, Shares Authorized	20,030	20,030
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000	200,000
Common stock, shares, issued	87,301	87,135
Treasury stock, shares	13,472	14,077