Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Changes in Equity (Unaudited)

v3.10.0.1
Consolidated Statements of Changes in Equity (Unaudited) - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Loss [Member]
Total Global Brass and Copper Holdings, Inc. Stockholders' Equity [Member]
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Adoption of ASU 2016-09 $ 0.0   $ 0.5 $ (0.5)     $ 0.0  
Shares outstanding, beginning balance, shares at Dec. 31, 2016 21,633,067              
Stockholder's equity, beginning balance at Dec. 31, 2016 $ 95.2 $ 0.2 45.0 51.2 $ (1.5) $ (4.1) 90.8 $ 4.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Share-based compensation, shares 379,771              
Share-based compensation $ 6.3   6.3       6.3  
Exercise of stock options, shares 38,381              
Exercise of stock options $ 0.7   0.7       0.7  
Share repurchases, shares (147,427)              
Share repurchases $ (5.1)       (5.1)   (5.1)  
Dividends declared (3.1)     (3.1)     (3.1)  
Net income 45.9     45.5     45.5 0.4
Other comprehensive income (loss), net of tax $ 1.3         1.1 1.1 0.2
Shares outstanding, ending balance, shares at Sep. 30, 2017 21,903,792              
Stockholder's equity, ending balance at Sep. 30, 2017 $ 141.2 0.2 52.5 93.1 (6.6) (3.0) 136.2 5.0
Shares outstanding, beginning balance, shares at Dec. 31, 2017 21,907,188              
Stockholder's equity, beginning balance at Dec. 31, 2017 $ 147.3 0.2 54.5 97.3 (6.6) (2.9) 142.5 4.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Share-based compensation, shares 326,552              
Share-based compensation $ 4.6   4.6       4.6  
Exercise of stock options, shares 81,100              
Exercise of stock options $ 1.3   1.3       1.3  
Share repurchases, shares (115,455)              
Share repurchases $ (3.4)       (3.4)   (3.4)  
Dividends declared (4.6)     (4.6)     (4.6)  
Net income 51.9     51.6     51.6 0.3
Other comprehensive income (loss), net of tax $ (0.9)         (0.6) (0.6) (0.3)
Shares outstanding, ending balance, shares at Sep. 30, 2018 22,199,385              
Stockholder's equity, ending balance at Sep. 30, 2018 $ 196.2 $ 0.2 $ 60.4 $ 144.3 $ (10.0) $ (3.5) $ 191.4 $ 4.8