94 Net postretirement benefit expense included the following components (in millions):   Year ended   Dec 31, 2012 Dec 31, 2011 Dec 31, 2010 Postretirement benefit expense:       Service cost $ 0.1 $ 0.1 $ 0.1 Interest cost 0.2 0.3 0.4 Amortization of prior service cost — (0.1 ) (0.1 ) Amortization of net loss — 0.1 0.1 Net postretirement benefit expense $ 0.3 $ 0.4 $ 0.5 The estimated net (gain) loss and prior service cost for the postretirement benefit plans that will be amortized from accumulated other comprehensive income into net postretirement benefit expense over the next fiscal year will be immaterial in the coming year . The discount rate used in determining the accumulated postretirement benefit obligation was 3.00% for the year ended December 31, 2012 , 3.50% for the year ended December 31, 201 1 and 4.25% for the year ended December 31, 2010 . The discount rate used in determining the net postretirement benefit expense was 3.50% for the year ended December 31, 2012 , 4.25% for the year ended December 31, 201 1 and 4.75% for the year ended December 31, 2010 . The assumed health-care cost trend rate used in measuring the accumulated postretirement benefit obligation in 2012 was 8.00% decreasing gradually to 4.50% in year 2019 and thereafter , in 201 1 was 8.50% , decreasing gradually to 4.50% in year 2019 and thereafter and in 2010 was 8.50% decreasing gradually to 4.50% in year 2019 and thereafter . Increasing the assumed health-care cost trend rate by 1% would result in an increase in the accumulated postretirement benefit obligation of $ 0.2 million for 2012 . The ef fect of this change would increase net postretirement benefit expense by less than $ 0.1 million . Decreasing the assumed health-care cost trend rate by 1% would result in a decrease in the accumulated postretirement benefit obligation of $ 0.2 million for 2012 . The ef fect of this change would decrease net postretirement benefit expense by less than $ 0.1 million . The estimated future benefit payments expected to be paid for the Company’ s postretirement benefits other than pensions are $ 0.7 million in 2013 , $ 0.7 million in 2014 , $ 0.6 million in 2015 , $ 0.6 million in 2016 , $ 2.4 million in 2017 and thereafter . Defined Contribution Plans Expense under both U.S. and non-U.S. defined contribution plans generally equals up to six percent of each eligible employee’ s covered compensation based on the location and status of the employee. The net defined contribution plan expense recognized was $ 10.0 million , $ 9.3 million and $ 8.6 million , respectively , for the years ended December 31, 2012 , 201 1 and 2010 . 13. T otal Equity The components of accumulated other comprehensive income (loss) as of December 31, 2012 and December 31, 201 1 , respectively , consisted of the following (in millions):   December 31, 2012 December 31, 2011 Company Common Shareholders Noncontrolling Interest Company Common Shareholders Noncontrolling Interest Foreign currency translation adjustment $ (8.6 ) $ (16.8 ) $ (15.9 ) $ (18.3 ) Pension adjustments, net of tax (84.4 ) (3.1 ) (63.0 ) (3.2 ) Change in fair value of derivatives, net of tax (21.9 ) (0.4 ) (27.7 ) (0.6 ) Company deferred stock held in rabbi trust, net of tax 7.3 — 7.3 — Other 0.3 — 0.3 — Accumulated other comprehensive income (loss) $ (107.3 ) $ (20.3 ) $ (99.0 ) $ (22.1 ) Comprehensive income consists of the following (in millions): T able of Contents