XML 103 R92.htm IDEA: XBRL DOCUMENT v2.4.0.6
Earnings per Common Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Net income attributable to the owners of QIAGEN N.V. $ 129,506 $ 96,038 $ 144,311
Weighted average number of common shares used to compute basic net income per common share 235,582 233,850 232,635
Dilutive effect of stock options and restrictive stock units 2,341 2,876 2,843
Dilutive effect of outstanding warrant shares 2,823 2,338 5,005
Weighted average number of common shares used to compute diluted net income per common share 240,746 239,064 240,483
Basic earnings per common share attributable to the owners of QIAGEN N.V. $ 0.55 $ 0.41 $ 0.62
Diluted earnings per common share attributable to the owners of QIAGEN N.V. $ 0.54 $ 0.40 $ 0.60
Stock Options and Restrictive Stock [Member]
      
Antidilutive securities having no dilutive effect, not included in above calculation 2,906 3,995 2,152
Warrants [Member]
      
Antidilutive securities having no dilutive effect, not included in above calculation 23,644 23,591 21,462