Segment Data (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
External sales:
Total external sales	$ 633,144	$ 641,741	$ 1,262,603	$ 1,300,618
Operating income:
Total operating income	66,469	94,048	130,850	195,658
Interest expense	6,970	5,256	12,926	10,743
Other expense (income), net	655	(1,258)	(246)	(684)
Income from continuing operations before income taxes	58,844	90,050	118,170	185,599
Industrial [Member]
External sales:
Total external sales	361,171	409,887	714,348	827,706
Operating income:
Total operating income	37,402	62,898	72,591	135,583
Infrastructure [Member]
External sales:
Total external sales	271,973	231,854	548,255	472,912
Operating income:
Total operating income	31,181	33,312	62,916	65,866
Corporate [Member]
Operating income:
Total operating income	$ (2,114)	$ (2,162)	$ (4,657)	$ (5,791)