Company's Investments Owned (Detail)	Dec. 30, 2012
Investment ShopCo Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	11.364%
Investment Ponderay Newsprint Company
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	13.50%
Investment Pearl, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	16.20%
Investment Garnet Media
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	18.10%
Investment California Newspapers Partnership
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	19.49%
Investment 4 INFO
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	23.49%
Investment Classified Ventures
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	23.60%
Investment Livestream
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	26.60%
Investment Hotelmeaboutit, LLC
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	32.14%
Investment Homefinder.com
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	33.33%
Investment Topix
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	33.71%
Investment Texas-New Mexico Newspapers Partnership
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	40.64%
Investment Tucson Newspaper Partnership
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage	50.00%