Segment Data (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
External sales:
Total external sales	$ 629,459	$ 658,877
Operating income:
Total operating income	64,381	101,610
Interest expense	5,956	5,487
Other (income) expense, net	(902)	574
Income from continuing operations before income taxes	59,327	95,549
Industrial [Member]
External sales:
Total external sales	353,177	417,819
Operating income:
Total operating income	35,189	72,685
Infrastructure [Member]
External sales:
Total external sales	276,282	241,058
Operating income:
Total operating income	31,735	32,554
Corporate [Member]
Operating income:
Total operating income	$ (2,543)	$ (3,629)