v2.4.0.6
Employee Benefit Plans
 9 Months Ended
Sep. 30, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans

a)
Expenses relating to the Company’s defined contribution plans were $4.6 million and $13.9 million, respectively, for the quarter and nine months ended September 30, 2012 and $4.4 million and $12.9 million, respectively, for the same periods in 2011.

b)
The following table presents the components of net periodic benefit cost (income) for the Terra Nova Pension Plan, a defined benefit plan.

 
Quarter Ended September 30,
 
Nine Months Ended September 30,
(dollars in thousands)
2012
 
2011
 
2012
 
2011
Service cost
$
90

 
$
341

 
$
269

 
$
1,024

Interest cost
1,693

 
1,790

 
5,079

 
5,369

Expected return on plan assets
(2,432
)
 
(2,474
)
 
(7,295
)
 
(7,421
)
Amortization of net actuarial pension loss
643

 
480

 
1,930

 
1,440

Net periodic benefit cost (income)
$
(6
)
 
$
137

 
$
(17
)
 
$
412



The Company contributed $5.7 million to the Terra Nova Pension Plan during the nine months ended September 30, 2012 and does not expect to make any additional contributions in 2012.