Domestic Defined Benefit Pension Plans | Foreign Defined Benefit Pension Plans | ||||||||||||||||||||||
2013 | 2012 | 2011 | 2013 | 2012 | 2011 | ||||||||||||||||||
Accumulated benefit obligations at end of year | $ | 577,736 | $ | 460,591 | $ | 415,163 | $ | 187,670 | $ | 142,769 | $ | 121,137 | |||||||||||
Projected benefit obligations: | |||||||||||||||||||||||
Balances at beginning of year | $ | 466,827 | $ | 410,029 | $ | 390,257 | $ | 168,758 | $ | 141,465 | $ | 85,936 | |||||||||||
Service costs | 23,176 | 19,061 | 17,933 | 5,039 | 3,654 | 3,055 | |||||||||||||||||
Interest costs | 18,444 | 17,442 | 18,602 | 7,940 | 6,927 | 5,954 | |||||||||||||||||
Actuarial (gains) losses | (5,488 | ) | 48,346 | 8,428 | 5,939 | 17,532 | 11,395 | ||||||||||||||||
Acquisitions of businesses and other | 113,174 | 2,496 | 1,194 | 39,622 | (975 | ) | 42,131 | ||||||||||||||||
Effect of foreign exchange | 1,549 | 6,633 | (3,760 | ) | |||||||||||||||||||
Benefits paid | (34,097 | ) | (30,547 | ) | (26,385 | ) | (5,851 | ) | (6,478 | ) | (3,246 | ) | |||||||||||
Balances at end of year | 582,036 | 466,827 | 410,029 | 222,996 | 168,758 | 141,465 | |||||||||||||||||
Plan assets: | |||||||||||||||||||||||
Balances at beginning of year | 703,563 | 614,463 | 634,725 | 133,013 | 118,060 | 65,748 | |||||||||||||||||
Actual returns on plan assets | 128,117 | 119,647 | 6,123 | 20,316 | 10,201 | 987 | |||||||||||||||||
Acquisitions of businesses and other | 72,803 | 36,106 | 6,205 | 57,761 | |||||||||||||||||||
Effect of foreign exchange | 1,379 | 5,025 | (3,190 | ) | |||||||||||||||||||
Benefits paid | (34,097 | ) | (30,547 | ) | (26,385 | ) | (5,851 | ) | (6,478 | ) | (3,246 | ) | |||||||||||
Balances at end of year | 870,386 | 703,563 | 614,463 | 184,963 | 133,013 | 118,060 | |||||||||||||||||
Excess (deficient) plan assets over projected benefit obligations | $ | 288,350 | $ | 236,736 | $ | 204,434 | $ | (38,033 | ) | $ | (35,745 | ) | $ | (23,405 | ) | ||||||||
Assets and liabilities recognized in the Consolidated Balance Sheets: | |||||||||||||||||||||||
Deferred pension assets | $ | 288,350 | $ | 245,588 | $ | 218,676 | $ | 14,096 | $ | 4,323 | $ | 9,674 | |||||||||||
Other accruals | (1,126 | ) | (869 | ) | (829 | ) | |||||||||||||||||
Other long-term liabilities | (8,852 | ) | (14,242 | ) | (51,003 | ) | (39,199 | ) | (32,250 | ) | |||||||||||||
$ | 288,350 | $ | 236,736 | $ | 204,434 | $ | (38,033 | ) | $ | (35,745 | ) | $ | (23,405 | ) | |||||||||
Amounts recognized in Cumulative other comprehensive loss: | |||||||||||||||||||||||
Net actuarial losses | $ | (59,272 | ) | $ | (163,088 | ) | $ | (211,752 | ) | $ | (35,183 | ) | $ | (41,567 | ) | $ | (26,994 | ) | |||||
Prior service costs | (6,043 | ) | (6,110 | ) | (5,206 | ) | |||||||||||||||||
$ | (65,315 | ) | $ | (169,198 | ) | $ | (216,958 | ) | $ | (35,183 | ) | $ | (41,567 | ) | $ | (26,994 | ) | ||||||
Weighted-average assumptions used to determine projected benefit obligations: | |||||||||||||||||||||||
Discount rate | 4.65 | % | 3.73 | % | 4.40 | % | 4.89 | % | 4.58 | % | 4.94 | % | |||||||||||
Rate of compensation increase | 4.00 | % | 4.00 | % | 4.00 | % | 4.31 | % | 4.08 | % | 4.05 | % | |||||||||||
Weighted-average assumptions used to determine net pension costs: | |||||||||||||||||||||||
Discount rate | 3.73 | % | 4.40 | % | 4.97 | % | 4.58 | % | 4.94 | % | 5.48 | % | |||||||||||
Expected long-term rate of return on assets | 6.00 | % | 7.50 | % | 7.50 | % | 5.67 | % | 6.04 | % | 6.12 | % | |||||||||||
Rate of compensation increase | 4.00 | % | 4.00 | % | 4.00 | % | 4.08 | % | 4.04 | % | 4.06 | % | |||||||||||