Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Information (Parenthetical) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				12 Months Ended
	Sep. 30, 2016	Apr. 01, 2016	Dec. 31, 2015	Jul. 03, 2015	Dec. 31, 2016
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item Per Basic Share					$ 2.39
Unusual or Infrequent Item Per Diluted Share					$ 2.39
Goodwill impairment charges	$ 15,785	$ 21,544			$ 37,329
Capitalized Software Impairment [Member]
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item, Loss, Gross				$ 1,100
Unusual or Infrequent Item, Net (Gain) Loss				$ 600
Unusual or Infrequent Item Per Basic Share				$ 0.04
Unusual or Infrequent Item Per Diluted Share				$ 0.04
Reduction In Fringe Costs [Member]
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item, Gain, Gross			$ 1,700
Life Insurance [Member]
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item, Gain, Gross			$ 200
Employee Severance [Member]
Unusual or Infrequent Item [Line Items]
Unusual or Infrequent Item, Loss, Gross	1,500			$ 1,200
Unusual or Infrequent Item, Net (Gain) Loss	$ 1,000			$ 600
Unusual or Infrequent Item Per Basic Share	$ 0.06			$ 0.04
Unusual or Infrequent Item Per Diluted Share	$ 0.06			$ 0.04