XML 58 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1
Pensions and Other Post-employment Benefits (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2017
Sep. 30, 2016
Sep. 29, 2017
Sep. 30, 2016
Pension Benefits [Member]        
Components of net periodic benefit cost        
Service cost $ 2,106 $ 1,946 $ 6,188 $ 5,838
Interest cost 2,372 2,595 7,098 7,785
Expected return on plan assets (3,678) (3,488) (11,007) (10,464)
Amortization of prior service benefit (42) (115) (236) (345)
Amortization of net loss 1,623 1,431 4,821 4,292
Net periodic benefit cost (benefit) 2,381 2,369 6,864 7,106
Other Benefits [Member]        
Components of net periodic benefit cost        
Service cost 23 26 69 77
Interest cost 99 140 297 422
Expected return on plan assets 0 0 0 0
Amortization of prior service benefit (374) (374) (1,122) (1,122)
Amortization of net loss 0 0 0 0
Net periodic benefit cost (benefit) $ (252) $ (208) $ (756) $ (623)