CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Accounts Receivable Allowances	$ 8,784	$ 10,043
Serial preferred shares without par value	$ 0	$ 0
Serial preferred shares authorized	3,000,000	3,000,000
Serial preferred shares issued	0	0
Serial preferred shares outstanding	0	0
Common shares without par value	$ 0	$ 0
Common shares authorized	300,000,000	300,000,000
Common shares issued	70,040,000	70,040,000
Common shares outstanding	58,908,000	58,759,000
Common shares held in treasury, shares	11,131,919	11,281,000