Inventories (Tables)

12 Months Ended

Jun. 30, 2011

Inventories (Tables) [Abstract]

Inventories

(in thousands)	2011			2010
Finished goods	$	303,716		$	227,096
Work in process and powder blends	202,940				134,732
Raw materials and supplies		109,683			62,673
Inventories at current cost		616,339			424,501
Less: LIFO valuation		(96,366	)		(60,233	)
Total inventories	$	519,973		$	364,268