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SHAREHOLDERS' EQUITY (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Weighted average common and common equivalent shares outstanding:
Weighted average shares for basic earnings per share									57,137,000	56,704,000	55,806,000
Effect of dilutive securities:
Dilutive effect of convertible debt (in shares)											10,730,000
Dilutive effect of stock-based compensation (in shares)											217,000
Weighted average shares for diluted earnings per share									57,137,000	56,704,000	66,753,000
Awards excluded from earnings per share calculations
Awards excluded from basic earnings per share computation	420,000				1,077,000				420,000	1,077,000	1,146,000
Awards excluded from diluted earnings per share computation (in shares)									13,197,000	13,717,000	2,747,000
Reconciliation of the net (loss) income available to common shareholders and the net (loss) income for diluted earnings per share
Net (loss) income from continuing operations available to common shareholders	$ (63,634)	$ (2,468)	$ (57,427)	$ 8,337	$ (16,395)	$ (25,335)	$ 14,505	$ 18,320	$ (115,192)	$ (8,905)	$ 39,579
Effect of dilutive securities:
Interest on convertible debt											7,520
Net (loss) income from continuing operations for diluted earnings per share									$ (115,192)	$ (8,905)	$ 47,099
Stock options
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)									789,000	890,000	960,000
SARs
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)									957,000	1,084,000	1,110,000
Shares issuable upon conversion of debt
Awards excluded from earnings per share calculations
Awards excluded from diluted earnings per share computation (in shares)									11,209,000	11,163,000
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)									182,000	334,000
RSAs
Awards excluded from earnings per share calculations
Awards excluded from basic earnings per share computation	403,120				862,000				403,120	862,000	931,000
Awards excluded from diluted earnings per share computation (in shares)									242,000	580,000	677,000
RSUs
Awards excluded from earnings per share calculations
Awards excluded from basic earnings per share computation	17,000				215,000				17,000	215,000	215,000