Net periodic benefit expense consisted of the following:
| Year Ended | ||||||||||||
|
(in thousands) |
August 31, 2013 |
August 25, 2012 |
August 27, 2011 |
|||||||||
|
Interest cost |
$ | 11,746 | $ | 12,214 | $ | 11,135 | ||||||
|
Expected return on plan assets |
(13,617 | ) | (11,718 | ) | (9,326 | ) | ||||||
|
Amortization of prior service cost |
— | — | — | |||||||||
|
Recognized net actuarial losses |
14,721 | 9,795 | 9,405 | |||||||||
|
|
|
|
|
|
|
|||||||
|
Net periodic benefit expense |
$ | 12,850 | $ | 10,291 | $ | 11,214 | ||||||
|
|
|
|
|
|
|
|||||||