Fair Value Measurements - Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Fair Value, Inputs, Level 3 [Member] - Fair Value, Measurements, Recurring $ in Thousands	3 Months Ended
	Apr. 02, 2017 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 4,173
Fair value adjustment to Manatee contingent consideration	(275)
Foreign Currency Transaction Gain (Loss), Unrealized	(28)
Ending balance	$ 3,870