Segment Data (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
External sales:
Total sales	$ 689,936	$ 633,144	$ 1,309,743	$ 1,262,603
Operating income:
Total operating income	49,716	66,469	108,545	130,850
Interest expense	8,037	6,970	15,118	12,926
Other expense (income), net	856	655	1,466	(246)
Income before income taxes	40,823	58,844	91,961	118,170
Industrial [Member]
External sales:
Total sales	370,647	336,007	708,876	671,201
Operating income:
Total operating income	33,218	40,677	73,038	80,004
Infrastructure [Member]
External sales:
Total sales	319,289	297,137	600,867	591,402
Operating income:
Total operating income	18,604	27,906	40,294	55,503
Corporate [Member]
Operating income:
Total operating income	$ (2,106)	$ (2,114)	$ (4,787)	$ (4,657)