Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2014

Defined Benefit Plan Disclosure [Line Items]

Schedule of Costs of Retirement Plans [Table Text Block]

		Three Months Ended
		March 31,
		2014		2013
Salaried Plan	$	556	$	449
Union Plan		17		16
Montreal Plan		25		35
U.K. Plan		38		33
Burnaby Plan		39		45
	$	675	$	578

United States Pension Plans of US Entity, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

		Three Months Ended
		March 31,
		2014		2013
Service cost	$	6	$	8
Interest cost		193		177
Expected return on plan assets		(242)		(214)
Recognized net actuarial loss		16		53
Net periodic pension (income) cost	$	(27)	$	24

United Kingdom Benefit Plans [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

		Three Months Ended
		March 31,
		2014		2013
Interest cost	$	99	$	80
Expected return on plan assets		(94)		(68)
Amortization of transition amount		(7)		(11)
Recognized net actuarial loss		50		53
Net periodic pension cost	$	48	$	54