Long-term Debt (Tables)

12 Months Ended

Jun. 30, 2012

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Long-term debt consists of the following:

June 30,	2012			2011
(In thousands)
Variable-rate credit facilities
Asset-backed bank facility of $100 million, due 4/25/2013	$	65,000		$	70,000
Revolving credit facility of $150 million, due 6/16/2013	40,000			—
Private placement notes
5.04% senior notes, due 6/16/2012	—			50,000
6.70% senior notes, due 7/13/2013	50,000			50,000
7.19% senior notes, due 7/13/2014	25,000			25,000
2.62% senior notes, due 3/1/2015	50,000			—
3.04% senior notes, due 3/1/2016	50,000			—
3.04% senior notes, due 3/1/2017	50,000			—
3.04% senior notes, due 3/1/2018	50,000			—
Total long-term debt	380,000			195,000
Current portion of long-term debt	(105,000		)	(50,000		)
Long-term debt	$	275,000		$	145,000

Schedule of Maturities of Long-term Debt [Table Text Block]

The following table shows principal payments on the debt due in succeeding fiscal years:

Years ending June 30,
(In thousands)
2013	$	105,000
2014	50,000
2015	75,000
2016	50,000
2017	50,000
2018	50,000
Total long-term debt	$	380,000

Schedule of Significant Finiancial Convenants [Table Text Block]