Fair Value Measurements (Schedule Of Estimated Fair Values Of Long Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2013	Sep. 30, 2013 7 3/8% Senior Notes [Member]	Sep. 30, 2013 Level 2 [Member] 7 3/8% Senior Notes [Member]	Jun. 30, 2013 Level 2 [Member] 7 3/8% Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
7 3/8% Senior Notes due			$ 270,000	$ 271,250
Debt instrument, stated interest rate		7.375%
Debt instrument, maturity	Mar. 01, 2021

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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