Note 3. Goodwill and Intangible Assets (Detail) - Intangible Assets Gross Carrying Amount and Accumulated Amortization (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 24, 2012	Jun. 26, 2011	Jun. 24, 2012	Jun. 26, 2011	Dec. 25, 2011
Amortizing intangible assets
Amortizing intangible assets gross carrying amount	$ 127,908		$ 127,908		$ 127,908
Amortizing intangible assets accumulated amortization	100,470		100,470		98,697
Amortizing intangible assets amortization expense	400	1,400	1,773	2,700
Goodwill:
Goodwill carrying amount	247,107		247,107		247,107
FCC licenses
FCC licenses carrying value	173,698		173,698		173,698
Other	114		114		114
Total	420,919		420,919		420,919
Virginia/Tennessee [Member]
Amortizing intangible assets
Amortizing intangible assets gross carrying amount	30,537		30,537		30,537
Amortizing intangible assets accumulated amortization	19,636		19,636		19,338
Amortizing intangible assets amortization expense			298
Goodwill:
Goodwill carrying amount	22,025		22,025		22,025
FCC licenses
FCC licenses carrying value	20,000		20,000		20,000
Florida [Member]
Goodwill:
Goodwill carrying amount	40,663		40,663		40,663
Mid-South [Member]
Amortizing intangible assets
Amortizing intangible assets gross carrying amount	78,118		78,118		78,118
Amortizing intangible assets accumulated amortization	66,374		66,374		65,169
Amortizing intangible assets amortization expense			1,205
Goodwill:
Goodwill carrying amount	112,564		112,564		112,564
FCC licenses
FCC licenses carrying value	93,694		93,694		93,694
North Carolina [Member]
Amortizing intangible assets
Amortizing intangible assets gross carrying amount	7,276		7,276		7,276
Amortizing intangible assets accumulated amortization	5,881		5,881		5,808
Amortizing intangible assets amortization expense			73
Goodwill:
Goodwill carrying amount	8,545		8,545		8,545
FCC licenses
FCC licenses carrying value	24,000		24,000		24,000
Ohio/Rhode Island [Member]
Amortizing intangible assets
Amortizing intangible assets gross carrying amount	9,157		9,157		9,157
Amortizing intangible assets accumulated amortization	5,759		5,759		5,580
Amortizing intangible assets amortization expense			179
Goodwill:
Goodwill carrying amount	61,408		61,408		61,408
FCC licenses
FCC licenses carrying value	36,004		36,004		36,004
Advertising Services and Other [Member]
Amortizing intangible assets
Amortizing intangible assets gross carrying amount	2,820		2,820		2,820
Amortizing intangible assets accumulated amortization	2,820		2,820		2,802
Amortizing intangible assets amortization expense			18
Goodwill:
Goodwill carrying amount	$ 1,902		$ 1,902		$ 1,902