Rendering

Component: (Network and Table)
Network
2317301 - Disclosure - Employee benefit plans (Tables)
(http://www.forterrabp.com/role/EmployeeBenefitPlansTables)
TableDefined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
Reconciliation of beginning and ending balances of benefit obligations
The reconciliation of the beginning and ending balances of the pension obligation for the Canadian defined benefit retirement plans and other postretirement benefits for the year ended December 31, 2014 are as follows:
 
Pension Benefits
Other Postretirement Benefits
Total
Benefit obligation at January 1, 2014
$
42,067

$
8,880

$
50,947

Service cost
829

50

879

Interest cost
1,867

395

2,262

Employee contributions
66


66

Actuarial losses, net
5,482

1,071

6,553

Gross benefits paid
(2,811
)
(304
)
(3,115
)
Exchange rate changes
(3,922
)
(831
)
(4,753
)
Benefit obligation at December 31, 2014
$
43,578

$
9,261

$
52,839

 
 
Components of net periodic pension costs
The components of net periodic pension costs for retirement benefits for the Canadian pension and other post retirement benefits are summarized below for the year ended December 31, 2014:

 
Pension Benefits
Other Postretirement Benefits
Total
Service cost
$
829

$
50

$
879

Interest cost
1,867

395

2,262

Expected return on plan assets
(1,853
)

(1,853
)
Curtailment gain recognized



Past service cost recognized
19

(48
)
(29
)
Net loss (gain) amortization
300


300

Net expense
$
1,162

$
397

$
1,559