Segment Data (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
External sales:
Total External Sales	$ 2,837,190	$ 2,589,373	$ 2,736,246
Operating income:
Total operating income	263,432	296,394	416,409
Segment data
Interest expense	32,451	27,472	27,215
Other expense (income), net	2,172	2,313	(775)
Income before income taxes	228,809	266,609	389,969
Depreciation and Amortization	130,222	113,104	104,073
Equity Income	84	42	7
Assets	3,868,086	3,301,039	3,034,188
Capital Expenditures	117,376	82,835	103,036
Investments in Affiliated Companies	495	671	685
Industrial [Member]
External sales:
Total External Sales	1,524,075	1,386,690	1,560,157
Operating income:
Total operating income	177,040	192,828	278,105
Segment data
Depreciation and Amortization	65,820	60,458	61,422
Equity Income	34	0	0
Assets	1,449,688	1,190,026	1,256,048
Capital Expenditures	71,628	47,501	71,587
Investments in Affiliated Companies	0	234	251
Infrastructure [Member]
External sales:
Total External Sales	1,313,115	1,202,683	1,176,089
Operating income:
Total operating income	94,940	111,453	146,768
Segment data
Depreciation and Amortization	64,339	52,583	42,587
Equity Income	50	42	7
Assets	1,986,724	1,522,470	1,516,033
Capital Expenditures	45,748	35,334	31,449
Investments in Affiliated Companies	495	437	434
Corporate [Member]
Operating income:
Total operating income	(8,548)	(7,887)	(8,464)
Segment data
Depreciation and Amortization	63	63	64
Assets	$ 431,674	$ 588,543	$ 262,107