Fair Value Measurements Fair Value Measurements- Contingent Consideration Liability (Details) $ in Thousands, CAD in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)	Jul. 02, 2015 USD ($)	Jul. 02, 2015 CAD
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undiscounted contingent consideration liability	$ 2,951
Simple Tax [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Undiscounted contingent consideration liability	$ 3,300	$ 3,300	CAD 4.1
Fair value inputs, probability of payment	100.00%
Fair value inputs, discount rate	9.00%