Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 57,876	$ 56,726	$ 34,268
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	34,000	25,055	20,672
Depletion	848	0	0
Share-based compensation	2,482	4,332	5,712
(Gain) loss on sale of business	(54)	4,249	(19,715)
Amortization of deferred financing fees	2,180	195	271
Deferred taxes	9,312	13,538	(8,123)
Accretion	230	0	0
Changes in operating assets and liabilities:
Accounts receivable, net	2,608	(4,664)	(29,029)
Inventories	10,729	(25,355)	(16,326)
Prepaid expenses and other current assets	(4,505)	(1,649)	6,984
Accounts payable	(5,047)	(7,833)	28,290
Accrued expenses and other current liabilities	2,038	(6,179)	(13,438)
Other	(8,790)	2,773	(28,821)
Net cash provided by operating activities	103,907	61,188	(19,255)
Cash flows from investing activities:
Capital expenditures	(41,836)	(35,039)	(22,901)
Acquisition of businesses, net of cash acquired of $4,090, $0, and $1,873 during the years ended June 30, 2012, 2011, and 2010, respectively	(109,717)	0	(53,084)
Sale of businesses, net of cash disposed of $0, $0, and $17,132 during the years ended June 30, 2012, 2011, and 2010, respectively	0	2,500	60,559
Working capital adjustments from acquisition of businesses, net	0	(2,038)	0
Other investing activities	(152)	(16,935)	(733)
Net cash used in investing activities	(151,705)	(51,512)	(16,159)
Cash flows from financing activities:
Borrowings of long-term debt	50,000	0	0
Payments of long-term debt	(50,000)	(17,012)	(21,917)
Borrowings of short-term debt	1,048	4,999	11,896
Payments of short-term debt	(1,825)	(11,972)	(10,518)
Borrowings under revolving credit agreements	136,408	35,989	22,000
Payments under revolving credit agreements	(54,462)	(5,000)	(6,000)
Debt issuance costs	(5,199)	(869)	0
Dividend payment	(15,007)	(11,269)	0
Proceeds from stock option exercises	195	5,215	616
Proceeds from warrants exercised	0	0	1,287
Proceeds from UPOs exercised	0	0	210
Sale of noncontrolling interest	0	0	97,917
Sale of common stock	0	0	36,456
Other financing activities	(1,296)	0	(1,387)
Net cash provided by financing activities	59,862	81	130,560
Effect of exchange rate changes on cash and cash equivalents	(262)	(578)	7
Net increase in cash and cash equivalents	11,802	9,179	95,153
Cash and cash equivalents at beginning of year	166,208	157,029	61,876
Cash and cash equivalents at end of year	178,010	166,208	157,029
Supplemental disclosures of cash flow information:
Cash paid for interest, net of capitalized interest	4,475	2,533	2,494
Cash paid for income taxes, net of refunds totaling $3,194, $586, and $2,729 during the years ended June 30, 2012, 2011, and 2010, respectively	$ 22,023	$ 19,819	$ 51,709