Depreciation and Amortization Expense Other Income, Net 20 Foreign exchange gains and losses are summarized in the following table (in thousands): As a result of reaching a settlement on a property damage claim we filed in 2010, we recorded an insurance recovery gain of $1.0 million in 2011. As a result of a supply disruption in 2011 from a key vendor that provided certain high performance specialty steel tubulars used with  the Company’s perforating systems, we filed a claim under our business interruption insurance policy which was fully settled during  2012 for $4.4 million. During 2012, we incurred legal, accounting and other fees in connection with the realignment of certain of our legal entities into a  more cost effective structure and the listing of our shares on the NYSE Euronext Amsterdam. We incurred property losses during Hurricane Isaac in 2012. During 2013, our insurance claim for property losses and business interruption was fully settled for a gain of $1.6 million. The components of other income, net, were as follows (in thousands): Depreciation and amortization expense of $25.5 million increased by $2.6 million in 2013 compared to 2012, after decreasing by  $0.4 million in 2012 compared to 2011. The increase during 2013 is a result of growth in our client-directed capex program resulting  from continued improvement in industry activity, particularly internationally and in the deepwater environment. For the Years Ended December 31, 2013 2012 2011 Sale of assets $ (909) $ (201) $ (487) Results of non-consolidated subsidiaries (177) (646) (274) Foreign exchange 4,339 142 1,800 Interest income (776) (319) (138) Rents and royalties (863) (1,033) (1,716) Insurance recovery (1,611) (4,490) (1,014) Legal entity realignment — 1,860 711 NYSE Euronext Amsterdam listing — 923 — Other, net (341) (357) 199 Total other (income) expense, net $ (338) $ (4,121) $ (919) For the Years Ended December 31, (Gains) losses by currency 2013 2012 2011 Argentine Peso $ 356 $ 147 $ 113 Australian Dollar 432 30 81 British Pound (49) (41) 163 Canadian Dollar 1,456 (415) 423  Euro 848 (62) 257 Indonesian Rupiah 364 145 64  Malaysian Ringgit 421 70 187 Other currencies, net 511 268 512 Total loss $ 4,339 $ 142 1,800