Business Combinations (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended			0 Months Ended			12 Months Ended
	Jun. 30, 2013	Sep. 30, 2013		Nov. 14, 2010 Customer Relationships [Member]	Nov. 14, 2011 Tax Deductible Goodwill [Member]	Nov. 14, 2011 IZI [Member]	Nov. 14, 2011 IZI [Member] Licenses And Patents [Member]	Sep. 30, 2013 IZI [Member] Trademarks And Tradenames [Member]	Nov. 14, 2011 IZI [Member] Trademarks And Tradenames [Member]
Business Acquisition [Line Items]
Business acquisition, cash paid						$ 93,000
Purchase price cash applied to repay outstanding indebtedness						26,941
Consideration transferred during acquisition						94,283
Excess consideration transferred over fair value of net tangible and intangible assets acquired resulted in goodwill						64,069
Deduction of goodwill for income tax purposes						64,641
Term of amortization, years					15 years	15 years	7 years	10 years
Business acquisition, intangible assets with indefinite lives									2,000
Business acquisition, intangible assets				23,000			2,000
Goodwill impairment charge	$ 22,700	$ 22,700	[1]

[1] Restated