Condensed Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
Nov. 29, 2014	Nov. 30, 2013
Operating activities:
Net income including noncontrolling interest	$ 65,046us-gaap_ProfitLoss	$ 35,145us-gaap_ProfitLoss
Depreciation and amortization	19,984	18,012
Other adjustments, net	(16,961)	(43,688)
Net cash provided by operations	68,069	9,469
Investing activities:
Purchase of investments	(69,172)us-gaap_PaymentsToAcquireInvestments	(45,170)us-gaap_PaymentsToAcquireInvestments
Sales of investments	72,247	52,409
Investment in Southwest Specialty, LLC	(8,160)
Purchases of property, plant and equipment	(43,035)	(27,769)
Payments received on notes receivable and from affiliates	783	3,752
Net proceeds from disposal of property, plant and equipment	145	452
Net cash used in investing activities	(47,192)	(16,326)
Financing activities:
Proceeds from issuance of common stock from treasury, net (including tax benefit on nonqualifying disposition of incentive stock options)	60us-gaap_ProceedsFromSaleOfTreasuryStock	219us-gaap_ProceedsFromSaleOfTreasuryStock
Distributions to noncontrolling interests	(655)us-gaap_PaymentsToMinorityShareholders
Principal payments on long-term debt	(5,201)us-gaap_RepaymentsOfLongTermDebt	(5,653)us-gaap_RepaymentsOfLongTermDebt
Payments of dividends	(19,718)us-gaap_PaymentsOfDividends	(1,635)us-gaap_PaymentsOfDividends
Net cash used in financing activities	(25,514)	(7,069)
Net change in cash and cash equivalents	(4,637)	(13,926)
Cash and cash equivalents at beginning of period	14,521	24,984
Cash and cash equivalents at end of period	$ 9,884	$ 11,058

The sum of adjustments which are added to or deducted from net income or loss, including the portion attributable to noncontrolling interest, to reflect cash provided by or used in operating activities, in accordance with the indirect cash flow method.

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