ACQUISITIONS AND DIVESTITURES (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended
Dec. 30, 2012
Sep. 25, 2011
Jun. 26, 2011
Dec. 29, 2013
Dec. 30, 2012
Dec. 25, 2011
Dec. 29, 2013
Broadcasting [Member]
Station
Dec. 30, 2012
Broadcasting [Member]
Dec. 25, 2011
Broadcasting [Member]
Dec. 29, 2013
KMIR-TV and My 13 KPSE-TV [Member]
Dec. 29, 2013
WNOX FM 100.3 [Member]
Dec. 30, 2012
WNOX FM 100.3 [Member]
Dec. 29, 2013
My 13 KPSE TV [Member]
Dec. 30, 2012
KHTT-FM and KBEZ-FM [Member]
Dec. 30, 2012
NewsChannel 5 Network, LLC [Member]
Dec. 06, 2012
NewsChannel 5 Network, LLC [Member]
Dec. 30, 2012
WKTI-AM in Knoxville, Tennessee [Member]
Dec. 30, 2012
Tulsa, Oklahoma [Member]
Station
Dec. 30, 2012
Affiliation Agreement ACE TV [Member]
Dec. 30, 2012
Hodag Buyers' Guide and Other Miscellaneous [Member]
Dec. 30, 2012
Hodag Buyers' Guide and Other Miscellaneous [Member]
Cash [Member]
Dec. 30, 2012
Hodag Buyers' Guide and Other Miscellaneous [Member]
Promissory Note [Member]
Dec. 29, 2013
Knoxville, Tennessee [Member]
Station
Business Acquisition [Line Items]                                              
Effective date of business acquisition                     May 03, 2013     Jun. 25, 2012                  
Cash Paid to acquire the entity       $ 5,955 $ 231,728 $ 0         $ 5,955     $ 11,728                  
Number of radio stations             35                     5         4
Identifiable Assets acquired and Liabilities assumed [Abstract]                                              
Property and equipment                       24   181                  
Tangible assets                             13,383                
Long-term assets, other                             48                
Working capital                             8,292                
Network affiliation agreements                             43,500                
FCC licenses                             40,100                
Goodwill 125,818     124,702 125,818 8,670 121,768 122,884 4,813   331 331   1,947 114,677                
Broadcast licenses                       5,600   9,600                  
Total purchase price                       5,955   11,728 220,000 222,000     2,038        
Proceeds from sale of businesses   757 502 0 2,892 1,574       17,000     17,000       65       1,200 772  
Pre-tax gain on sale, net of transaction expenses (319) 253 245             10,200     9,000       48     319      
License expiration year             2021                                
Maximum working capital adjustment                               5,000              
Revenue contributed                             2,917                
Pro Forma Results of Operations [Abstract]                                              
Revenue         439,732 399,313                                  
Earnings per share from continuing operations, diluted (in dollars per share)         $ 0.71 $ 0.47                                  
Earnings from continuing operations before income taxes       43,422 54,270 36,017                 1,730                
Acquisition and integration related costs 2,152       3,145                                    
Cash and cash equivalents       1                                      
Receivables, net       1,149                                      
Prepaid expenses and other current assets       11                                      
Program and barter rights       620                                      
Deferred income taxes       713                                      
Property and equitment, net       1,852                                      
Network affiliations, net       1,935                                      
Income tax receivable       767                                      
Total assets of discontinued operations       7,048                                      
Accounts payable       37                                      
Accrued compensation       133                                      
Deferred revenue       57                                      
Syndicated programs       640                                      
Other current liabilities       18                                      
Total liabilities of discontinued operations       $ 885