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 380,020              
Share-based compensation $ 4.3   4.3       4.3  
Exercise of stock options, shares 38,381              
Exercise of stock options $ 0.7   0.7       0.7  
Share repurchases, shares (146,582)              
Share repurchases $ (5.0)       (5.0)   (5.0)  
Dividends declared (1.7)     (1.7)     (1.7)  
Net income 33.5     33.2     33.2 0.3
Other comprehensive income (loss), net of tax $ 1.1         1.0 1.0 0.1
Shares outstanding, ending balance, shares at Jun. 30, 2017 21,904,886              
Stockholder's equity, ending balance at Jun. 30, 2017 $ 128.1 0.2 50.5 82.2 (6.5) (3.1) 123.3 4.8
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 338,084              
Share-based compensation $ 3.1   3.1       3.1  
Exercise of stock options, shares 43,974              
Exercise of stock options $ 0.7   0.7       0.7  
Share repurchases, shares (115,102)              
Share repurchases $ (3.4)       (3.4)   (3.4)  
Dividends declared (2.6)     (2.6)     (2.6)  
Net income 37.0     36.8     36.8 0.2
Other comprehensive income (loss), net of tax $ (0.9)         (0.8) (0.8) (0.1)
Shares outstanding, ending balance, shares at Jun. 30, 2018 22,174,144              
Stockholder's equity, ending balance at Jun. 30, 2018 $ 181.2 $ 0.2 $ 58.3 $ 131.5 $ (10.0) $ (3.7) $ 176.3 $ 4.9