Goodwill and other Intangible Assets Schedule of Intangible Assets (Details) (USD $)	Mar. 31, 2013	Sep. 30, 2012
Schedule of Intangible Assets [Line Items]
Mastheads	$ 28,605,000	$ 28,605,000
Other intangible assets, net	427,924,000	447,017,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	38,032,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two	37,889,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	36,972,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	35,709,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	35,119,000
Customer Lists [Member]
Schedule of Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	855,773,000	855,773,000
Finite-Lived Intangible Assets, Accumulated Amortization	456,458,000	437,366,000
Finite-Lived Intangible Assets, Net	399,315,000	418,407,000
Noncompete Agreements [Member]
Schedule of Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	28,524,000	28,524,000
Finite-Lived Intangible Assets, Accumulated Amortization	28,520,000	28,519,000
Finite-Lived Intangible Assets, Net	$ 4,000	$ 5,000