v3.2.0.727
Related Party Transactions (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 01, 2015
USD ($)
Jun. 25, 2014
USD ($)
Jul. 01, 2015
USD ($)
renewal_option
Jun. 25, 2014
USD ($)
Dec. 31, 2014
USD ($)
USHG          
Related Party Transaction [Line Items]          
Management fee         2.50%
Amounts due to related parties $ 11,000   $ 11,000   $ 238,000
Due from Related Parties, Current 29,000   29,000   0
USHG | Management fee          
Related Party Transaction [Line Items]          
Expenses from transactions with related party 0 $ 697,000 0 $ 1,289,000  
USHG | Rent expense          
Related Party Transaction [Line Items]          
Expenses from transactions with related party   0   38,000  
USHG | Self insurance health care expense          
Related Party Transaction [Line Items]          
Expenses from transactions with related party 0 451,000 $ 188,000 602,000  
Hudson Yards Sports and Entertainment          
Related Party Transaction [Line Items]          
Number of renewal terms | renewal_option     5    
Renewal option period     5 years    
Hudson Yards Sports and Entertainment | Concession income          
Related Party Transaction [Line Items]          
Revenue from related parties 95,000 84,000 $ 95,000 84,000  
Due from Related Parties, Current 40,000   40,000   0
Madison Square Park Conservancy | Rent expense          
Related Party Transaction [Line Items]          
Expenses from transactions with related party 111,000 $ 186,000 111,000 $ 283,000  
Due to MSP Conservancy, Current $ 48,000   $ 48,000   $ 0