Accrued Expenses And Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jan. 01, 2016
Accrued Expenses And Other Liabilities [Abstract]
Accrued compensation and benefits	$ 9,269	$ 3,934
Accrued bonuses	9,972	13,279
Accrued dividend payable		3,199
Deferred revenue	9,452	11,433
Accrued sales, use, franchise and VAT tax	3,069	1,946
Non-cash stock compensation accrual	3,454	2,704
Income taxes payable	5,299	3,087
Other accrued expenses	2,173	2,230
Total accrued expenses and other liabilities	$ 42,688	$ 41,812