XML 43 R49.htm IDEA: XBRL DOCUMENT v2.4.0.8
Other Intangible Assets - Summary of Other Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]          
Gross cost at January 1     $ 106.2 $ 51.2  
Capitalization of internally developed software and other costs     3.8 3.5  
Exchange effect     0 0  
Gross cost at June 30 110.0 54.7 110.0 54.7  
Accumulated amortization at January 1     (37.6) (33.5)  
Amortization expense (2.1) (1.0) (4.2) (2.0)  
Exchange effect     (0.1) (0.1)  
Accumulated amortization at June 30 (41.9) (35.6) (41.9) (35.6)  
Net book amount at June 30 $ 68.1 $ 19.1 $ 68.1 $ 19.1 $ 68.6