BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details) (USD $)	3 Months Ended			6 Months Ended
	Dec. 31, 2011 Y ShareBasedAward	Sep. 30, 2011	Dec. 31, 2010	Dec. 31, 2011 ShareBasedAward Y	Dec. 31, 2010
Stock-based compensation award plans
Number of types of share-based awards granted	4			4
Compensation expense	$ 2,200,000		$ 2,600,000	$ 4,600,000	$ 5,000,000
Stock options outstanding
Balance at the beginning of the period (in shares)	826,000	838,000		838,000
Forfeited or expired (in shares)	(16,000)	(12,000)
Balance at the end of the period (in shares)	810,388	826,000		810,388
Exercisable at the end of the period (in shares)	648,628			648,628
Stock options, weighted average exercise price
Balance at the beginning of the period (in dollars per share)	$ 31.54	$ 31.48		$ 31.48
Forfeited or expired (in dollars per share)	$ 32.42	$ 26.86
Balance at the end of the period (in dollars per share)	$ 31.53	$ 31.54		$ 31.53
Exercisable at the end of the period (in dollars per share)	$ 33.29			$ 33.29
Outstanding options, weighted average remaining contractual term (in years)	4.2			4.2
Intrinsic value of exercisable options (in dollars)	0			0
Weighted average remaining contractual term of exercisable options (in years)	3.4
Options expected to vest (in shares)	140,007			140,007
Options expected to vest, weighted average exercise price (in dollars per share)	$ 25.23			$ 25.23
Options expected to vest, weighted average remaining contractual life (in years)	7.0
Options expected to vest, total intrinsic value (in dollars)	0			0
Rollforward of RSAs, RSUs and SARs outstanding
Nonvested at the end of the period (in shares)	1,006,000		1,127,000	1,006,000	1,127,000
RSAs, RSUs and SARs outstanding, other relevant terms of the awards
Outstanding and unvested awards (in shares)	1,006,000		1,127,000	1,006,000	1,127,000
Stock-based compensation award plans, additional disclosures
Cash received from exercise of share-based instruments			600,000		700,000
Unrecognized compensation cost related to unvested stock-based compensation	14,100,000			14,100,000
Period of recognition of unrecognized compensation cost related to unvested stock-based compensation (in years)	2.9
Intrinsic value of share-based awards exercised	0		500,000	0	500,000
Intrinsic value of share-based awards exercised - maximum				100,000
Stock options and SARs
Stock-based compensation award plans
Award expiration period (in years)				P10Y
Vesting period (in years)				5 years
SARs
Rollforward of RSAs, RSUs and SARs outstanding
Outstanding at the beginning of the period (in shares)	1,030,000	1,087,000		1,087,000
Forfeited or expired (in shares)	(31,000)	(57,000)
Outstanding at the end of the period (in shares)	998,700	1,030,000		998,700
RSAs, RSUs and SARs outstanding, other relevant terms of the awards
Weighted Average Exercise Price, outstanding at the beginning of the period (in dollars per share)	$ 25.43	$ 25.54		$ 25.54
Weighted Average Exercise Price, Forfeited or Expired (in dollars per share)	$ 25.41	$ 27.45		$ 25.41
Weighted Average Exercise Price, outstanding at the end of the period (in dollars per share)	$ 25.44	$ 25.43		$ 25.44
Exercisable at the end of the period (in shares)	546,850			546,850
Exercisable awards, intrinsic value	0			0
Outstanding and unvested awards, intrinsic value	0			0
Outstanding awards, weighted average remaining contractual term (in years)	6.3
Outstanding and unvested awards expected to vest (in shares)	389,228			389,228
Outstanding and unvested awards expected to vest, weighted average grant price (in dollars per share)	$ 20.32			$ 20.32
Outstanding and unvested awards expected to vest, remaining contractual term (in years)	5.2
Exercisable awards expected to vest, remaining contractual term (in years)	7.1
RSAs and RSUs
Rollforward of RSAs, RSUs and SARs outstanding
Nonvested at the beginning of the period (in shares)	1,073,000	1,077,000		1,077,000
Granted (in shares)		20,000
Vested/Exercised (in shares)	3,000	2,000
Forfeited or expired (in shares)	(70,000)	(26,000)
Nonvested at the end of the period (in shares)	1,006,000	1,073,000		1,006,000
RSAs, RSUs and SARs outstanding, other relevant terms of the awards
Outstanding and unvested awards (in shares)	1,006,000	1,073,000		1,006,000
Weighted Average Grant Date Fair Value, nonvested at the beginning of the period (in dollars per share)	$ 23.39	$ 23.48		$ 23.48
Weighted Average Grant Date Fair Value, Granted (in dollars per share)		$ 13.59
Weighted Average Grant Date Fair Value, Vested/Exercised (in dollars per share)	$ 19.07	$ 22.32
Weighted Average Grant Date Fair Value, Forfeited or Expired (in dollars per share)	$ 18.88	$ 19.39		$ 18.88
Weighted Average Grant Date Fair Value, nonvested at the end of the period (in dollars per share)	$ 23.69	$ 23.39		$ 23.69
RSAs
Rollforward of RSAs, RSUs and SARs outstanding
Outstanding at the end of the period (in shares)	791,248			791,248
Nonvested at the end of the period (in shares)	791,248			791,248
RSAs, RSUs and SARs outstanding, other relevant terms of the awards
Outstanding and unvested awards (in shares)	791,248			791,248
Outstanding and unvested awards, intrinsic value	13,100,000			13,100,000
Outstanding awards, weighted average remaining contractual term (in years)				1.6
Outstanding and unvested awards expected to vest (in shares)	745,796			745,796
Outstanding and unvested awards expected to vest, total intrinsic value (in dollars)	12,300,000			12,300,000
Unvested RSAs with accelerated vesting period held by the company's chief executive officer and the company's executive vice president (in shares)	68,390			68,390
Incremental compensation cost recognized as a result of the modifications	100,000			100,000
RSUs
Rollforward of RSAs, RSUs and SARs outstanding
Outstanding at the end of the period (in shares)	215,000			215,000
Nonvested at the end of the period (in shares)	215,000			215,000
RSAs, RSUs and SARs outstanding, other relevant terms of the awards
Outstanding and unvested awards (in shares)	215,000			215,000
Outstanding and unvested awards, intrinsic value	$ 3,600,000			$ 3,600,000
Outstanding awards, weighted average remaining contractual term (in years)				0.2
2004 Plan | Stock options and SARs
Stock-based compensation award plans
Vesting period (in years)				5 years
Percentage of stock-based awards vesting annually on each of the first five anniversaries of the date of grant				20.00%
2004 Plan | RSUs
Stock-based compensation award plans
Vesting period (in years)				5 years