XML 69 R51.htm IDEA: XBRL DOCUMENT v3.8.0.1
Deferred Costs and Other Contract Assets (Details) - USD ($)
 3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Dec. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]      
Deferred cost of goods sold $ 99,857,000   $ 93,261,000
Prepaid contract incentives 6,033,000   6,115,000
Deferred commissions 5,207,000   5,613,000
Unbilled contract receivables 3,861,000   4,267,000
Deferred costs and other contract assets 114,958,000   $ 109,256,000
Amortization of Other Deferred Charges 400,000    
Amortization of Deferred Sales Commissions   $ 600,000  
Deferred Cost of Goods Sold, Amortization $ 7,300,000 $ 7,900,000