Fair Value Measurements - Reconciliation of Fair Value Measured on Recurring Basis (Details) $ in Thousands, CAD in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)	Jul. 02, 2015 USD ($)	Jul. 02, 2015 CAD
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at December 31, 2015	$ 2,951
Revaluation	391
Foreign currency transaction loss	158
Balance at September 30, 2016	3,500
Simple Tax [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undiscounted contingent consideration	$ 3,500	$ 3,700	CAD 4.6
Probability of payment	100.00%
Discount rate	9.00%
Estimated fair value of contingent consideration		$ 3,300	CAD 4.1
Other Current Liabilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of contingent consideration	$ 900
Other Noncurrent Liabilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of contingent consideration	$ 2,600