FLOWSERVE CORPORATION Schedule II — Valuation and Qualifying Accounts For the Years Ended December 31, 2018, 2017 and 2016 Description Balance at Beginning of Year Additions Charged to Cost and Expenses Additions Charged to Other Accounts— Acquisitions and Related Adjustments Deductions From Reserve Balance at End of Year (Amounts in thousands) Year Ended December 31, 2018 Allowance for doubtful accounts(a): $ 59,113 8,050 — (15,662) $ 51,501 Deferred tax asset valuation allowance(b): 119,309 32,157 (7,551 ) (9,986 ) 133,929 Year Ended December 31, 2017 Allowance for doubtful accounts(a): 51,920 14,508 — (7,315 ) 59,113 Deferred tax asset valuation allowance(b): 36,191 86,694 2,595 (6,171) 119,309 Year Ended December 31, 2016 Allowance for doubtful accounts(a): 43,935 12,045 — (4,060) 51,920 Deferred tax asset valuation allowance(b): 24,725 12,883 (67 ) (1,350 ) 36,191 (a) Deductions from reserve represent accounts written off and recoveries. (b) Deductions from reserve result from the expiration or utilization of net operating losses and foreign tax credits previously reserved. 119