MINERALS TECHNOLOGIES INC. AND SUBSIDIARY COMPANIES  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  The following table reflects the accumulated balances of other comprehensive income (loss):  Millions of Dollars  Currency  Translation  Adjustment  Unrecognized  Pension  Costs  Net Gain  (Loss) On  Cash Flow  Hedges  Accumulated  Other  Comprehensive  Income (Loss) Balance at January 1, 2011  $  46.6 $  (51.9 ) $  1.7 $ (3.6)  Current year net change  (16.7 ) (25.6 ) 0.6 (41.7)  Balance at December 31, 2011 $  29.9 $  (77.5 ) $  2.3 $  (45.3)  Current year net change  2.1 (7.8) (0.2) (5.9)  Balance at December 31, 2012 $  32.0 $  (85.3 ) $  2.1 $ (51.2)  Current year net change  (14.9 ) 34.3 0.5 19.9  Balance at December 31, 2013 $  17.1 $  (51.0 ) $  2.6 $  (31.3)  The income tax expense (benefit) associated with items included in other comprehensive income (loss) was approximately  $22.6 million, $(1.3) million and $(15.5) million for the years ended December 31, 2013, 2012 and 2011, respectively.  The following are the reclassifications out of accumulated other comprehensive income, net of related tax:  The above amounts are included in net periodic pension costs. Please see note 14 to the condensed consolidated financial  statements.  The Company records asset retirement obligations in which the Company will be required to retire tangible long-lived  assets. These are primarily related to its PCC satellite facilities and mining operations. The Company has also recorded the  provisions related to conditional asset retirement obligations at its facilities. The Company has recorded asset retirement  obligations at all of its facilities except where there are no contractual or legal obligations. The associated asset retirement  costs are capitalized as part of the carrying amount of the long-lived asset.  The following is a reconciliation of asset retirement obligations as of December 31, 2013 and 2012:  The current portion of the liability of approximately $0.4 million is included in other current liabilities. The long-term  portion of the liability of approximately $14.3 million is included in other non-current liabilities.  Accretion expense is included in cost of goods sold in the Company's Consolidated Statements of Income.  F-27  Millions of Dollars  2013  2012  Asset retirement liability, beginning of period ............ $  15.0 $  14.7  Accretion expense........................................................ 0.7  0.7  Additional obligations ................................................. 0.2  0.1  Reversal of obligations ................................................ (0.4 )  (0.2)  Payments...................................................................... (0.6 )  (0.3)  Foreign currency translation ........................................ (0.2 )  -- Asset retirement liability, end of period ...................... $  14.7 $  15.0  Note 19. Accounting for Asset Retirement Obligations (millions of dollars)  Year Ended  Dec. 31, 2013  Amortization of prior service cost ............................................$  (1.2)  Amortization of actuarial gains (losses) ...................................  8.8  Total reclassifications from accumulated other  comprehensive income .............................................................$  7.6