CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Allowance for Doubtful Accounts Receivable, Current	$ 9,511	$ 11,428
Current assets:
Cash and cash equivalents	155,887	150,821
Accounts receivable (net of allowances of $9,511 and $11,428, respectively)	248,021	280,324
Inventories, net	163,577	157,712
Deferred income taxes, net	16,235	43,211
Prepaid expenses and other current assets	38,413	19,815
Total current assets	622,133	651,883
Property, plant, and equipment, net	425,550	386,409
Goodwill and intangibles, net	709,950	337,784
Other assets	7,439	29,620
Total assets	1,765,072	1,405,696
Current liabilities:
Accounts payable	78,169	83,188
Accrued payroll and other related liabilities	49,901	29,899
Accrued SYSTEM 1 Rebate Program and class action settlement	5,549	69,065
Accrued expenses and other	94,189	96,243
Total current liabilities	227,808	278,395
Long-term indebtedness	520,890	210,000
Deferred income taxes, net	37,917	42,703
Other Liabilities, Noncurrent	58,263	51,934
Total liabilities	844,878	583,032
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; 58,416 and 57,733 shares outstanding, respectively	240,850	244,091
Common shares held in treasury, 11,624 and 12,307 shares, respectively	(332,782)	(350,718)
Retained earnings	1,000,952	914,401
Accumulated other comprehensive income	10,100	13,627
Total shareholders' equity	919,120	821,401
Noncontrolling interest	1,074	1,263
Total equity	920,194	822,664
Total liabilities and equity	$ 1,765,072	$ 1,405,696
Preferred Stock, No Par Value	$ 0	$ 0
Preferred Stock, Shares Authorized	3,000	3,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	300,000	300,000
Common Stock, Shares, Issued	70,040	70,040
Common Stock, Shares, Outstanding	58,416	57,733
Treasury Stock, Shares	11,624	12,307