Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Goodwill And Intangible Assets (Carrying Amount Of Goodwill By Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2011	Dec. 31, 2011	Jun. 30, 2011
Goodwill [Line Items]
Goodwill		$ 742,492	$ 742,492
Impairment of goodwill	0
MSG Media [Member]
Goodwill [Line Items]
Goodwill		465,326	465,326
MSG Entertainment [Member]
Goodwill [Line Items]
Goodwill		58,979	58,979
MSG Sports [Member]
Goodwill [Line Items]
Goodwill		$ 218,187	$ 218,187