XML 54 R40.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies - Income Per Share, Allowance for Doubtful Accounts, Income Taxes, and Concentration of Credit Risk (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Income (Loss) Per Share-Basic and Diluted    
Income (loss) from continuing operations $ 64,892 $ 30,476
Less: Net Income (Loss) Attributable to Noncontrolling Interests 917 891
Income (loss) from continuing operations (utilized in numerator of Earnings Per Share calculation) 63,975 29,585
(Loss) income from discontinued operations, net of tax 0 (24)
Net Income (Loss) Attributable to Iron Mountain Incorporated $ 63,975 $ 29,561
Weighted-average shares—basic (in shares) 287,840,000 286,528,000
Effect of dilutive potential stock options (in shares) 51,799 231,402
Effect of dilutive potential restricted stock, RSUs and PUs (in shares) 467,334 732,421
Weighted-average shares—diluted (in shares) 288,359,133 287,491,823
Earnings (losses) per share—basic:    
Income (loss) from continuing operations (in dollars per share) $ 0.22 $ 0.10
(Loss) income from discontinued operations, net of tax (in dollars per share) 0 0
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share) 0.22 0.10
Earnings (losses) per share—diluted:    
Income (loss) from continuing operations (in dollars per share) 0.22 0.10
(Loss) income from discontinued operations, net of tax (in dollars per share) 0 0
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share) $ 0.22 $ 0.10
Antidilutive stock options, RSUs and PUs, excluded from the calculation (in shares) 5,513,714,000 3,985,161,000