Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013	May 31, 2012
Current assets:
Cash and cash equivalents	$ 37,359	$ 41,028
Receivables, less allowances of $3,978 and $3,329 at February 28, 2013 and May 31, 2012	376,534	400,869
Inventories:
Raw materials	184,033	211,543
Work in process	102,782	115,510
Finished products	86,567	74,887
Total inventories	373,382	401,940
Income taxes receivable	15,127	892
Assets held for sale	3,040	7,202
Deferred income taxes	20,176	20,906
Prepaid expenses and other current assets	37,962	41,402
Total current assets	863,580	914,239
Investments in unconsolidated affiliates	256,262	240,882
Goodwill	179,662	156,681
Other intangible assets, net of accumulated amortization of $23,141 and $16,103 at February 28, 2013 and May 31, 2012	112,183	100,333
Other assets	18,855	22,585
Property, plant and equipment, net	454,640	443,077
Total assets	1,885,182	1,877,797
Current liabilities:
Accounts payable	245,862	252,334
Short-term borrowings	30,588	274,923
Accrued compensation, contributions to employee benefit plans and related taxes	62,986	71,271
Dividends payable	674	8,478
Other accrued items	36,763	38,231
Income taxes payable	2,725	11,697
Current maturities of long-term debt	1,111	1,329
Total current liabilities	380,709	658,263
Other liabilities	72,562	72,371
Distributions in excess of investment in unconsolidated affiliate	64,128	69,165
Long-term debt	406,523	257,462
Deferred income taxes	100,465	73,099
Total liabilities	1,024,387	1,130,360
Shareholders' equity - controlling interest	816,875	697,174
Noncontrolling interest	43,920	50,263
Total equity	860,795	747,437
Total liabilities and equity	$ 1,885,182	$ 1,877,797