SHAREHOLDERS' EQUITY (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Weighted average common and common equivalent shares outstanding:
Weighted average shares for basic earnings per share	56,857,000	56,684,000	56,853,000	56,657,000
Effect of dilutive securities:
Dilutive effect of stock-based compensation (in shares)		294,000		238,000
Dilutive effect of convertible debt (in shares)		11,158,000		11,158,000
Weighted average shares for diluted earnings per share	56,857,000	68,136,000	56,853,000	68,053,000
Awards excluded from earnings per share calculations
Awards excluded from basic earnings per share computation (in shares)	1,006,000	1,127,000	1,006,000	1,127,000
Awards excluded from diluted earnings per share computation (in shares)	13,018,000	2,083,000	13,207,000	2,083,000
Reconciliation of the net (loss) income available to common shareholders and the net (loss) income for diluted earnings per share
Net (loss) income available to common shareholders	$ (57,427)	$ 14,505	$ (49,090)	$ 32,825
Effect of dilutive securities:
Interest on convertible debt, net of taxes		2,013		4,027
Net income for diluted earnings per share	$ (57,427)	$ 16,518	$ (49,090)	$ 36,852
Stock options
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)	810,000	898,000	810,000	898,000
SARs
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)	999,000	1,076,000	999,000	1,076,000
Shares issuable upon conversion of debt
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)	11,203,000		11,195,000
Common stock equivalents of potentially dilutive common stock
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)	357,000		306,000
RSAs
Awards excluded from earnings per share calculations
Awards excluded from basic earnings per share computation (in shares)	791,000	912,000	791,000	912,000
Awards excluded from diluted earnings per share computation (in shares)	6,000	109,000	203,000	109,000
RSUs
Awards excluded from earnings per share calculations
Awards excluded from basic earnings per share computation (in shares)	215,000	215,000	215,000	215,000

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