CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Mar. 31, 2011
Current assets:
Cash and cash equivalents	$ 143,787	$ 193,016
Accounts receivable (net of allowances of $10,229 and $9,085, respectively)	251,427	272,248
Inventories, net	169,412	167,344
Deferred income taxes, net	43,881	56,715
Prepaid expenses and other current assets	23,447	16,483
Total current assets	631,954	705,806
Property, plant, and equipment, net	378,165	370,402
Goodwill and intangibles, net	333,819	318,810
Other assets	32,472	31,667
Total assets	1,376,410	1,426,685
Current liabilities:
Accounts payable	70,075	90,981
Accrued payroll and other related liabilities	34,257	52,251
Accrued SYSTEM 1 Rebate Program and class action settlement	100,234	127,683
Accrued expenses and other	90,729	73,831
Total current liabilities	295,295	344,746
Long-term indebtedness	210,000	210,000
Deferred income taxes, net	36,144	26,662
Other liabilities	54,566	56,612
Total liabilities	596,005	638,020
Commitments and contingencies (see note 10)
Serial preferred shares, without par value; 3,000 shares authorized; no shares issued or outstanding	0	0
Common shares, without par value; 300,000 shares authorized; 70,040 shares issued; 57,639 and 59,122 shares outstanding, respectively	241,787	241,343
Common shares held in treasury, 12,401 and 10,918 shares, respectively	(353,042)	(305,808)
Retained earnings	880,039	816,846
Accumulated other comprehensive income	10,481	35,188
Total shareholders' equity	779,265	787,569
Noncontrolling interest	1,140	1,096
Total equity	780,405	788,665
Total liabilities and equity	$ 1,376,410	$ 1,426,685