Year Ended December 31, | 2013 | 2012 | 2011 | ||||||
Accounts Receivable—Allowance for Doubtful Receivables | |||||||||
Balance at beginning of period | $ | 243 | $ | 292 | $ | 326 | |||
Additions charged to cost and expenses | 72 | 33 | 73 | ||||||
Deductions from reserves | (46 | ) | (64 | ) | (107 | ) | |||
Amounts related to the Performance Coatings business | — | (18 | ) | — | |||||
Balance at end of period | $ | 269 | $ | 243 | $ | 292 | |||
Deferred Tax Assets—Valuation Allowance | |||||||||
Balance at beginning of period | $ | 1,914 | $ | 1,971 | $ | 1,666 | |||
Net charges (benefits) to income tax expense | 29 | (77 | ) | 73 | |||||
Additions charged to other comprehensive income (loss) | (205 | ) | 10 | 236 | |||||
Currency translation | 26 | 10 | (4 | ) | |||||
Balance at end of period | $ | 1,764 | $ | 1,914 | $ | 1,971 | |||