Annual report pursuant to Section 13 and 15(d)

Acquisitions (Details)

v3.3.1.900
Acquisitions (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 16, 2014
Dec. 31, 2015
Dec. 31, 2014
Nov. 06, 2015
Jul. 08, 2015
Apr. 27, 2015
Jul. 31, 2014
Business Acquisition [Line Items]              
Net cash consideration paid to acquire business   $ 29.7 $ 41.5        
Goodwill, Acquired During Period   3.5 8.8        
Fair value of identifiable intangible assets acquired   13.4 13.9        
Customer relationships [Member]              
Business Acquisition [Line Items]              
Finite-lived Intangible Assets Acquired   $ 6.1 8.1        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   7 years          
Patents and proprietary technology [Member]              
Business Acquisition [Line Items]              
Finite-lived Intangible Assets Acquired   $ 0.8 $ 2.1        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   5 years 5 years        
Trade names [Member]              
Business Acquisition [Line Items]              
Indefinite-lived Intangible Assets Acquired   $ 6.5 $ 3.7        
Garelick [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Percentage of Voting Interests Acquired       100.00%      
SCIFIT [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Percentage of Voting Interests Acquired         100.00%    
BLA [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Percentage of Voting Interests Acquired           100.00%  
Bell [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Percentage of Voting Interests Acquired             100.00%
Whale [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Percentage of Voting Interests Acquired 100.00%            
Payments to retire acquiree debt $ 10.0            
Maximum [Member] | Customer relationships [Member]              
Business Acquisition [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     14 years        
Minimum [Member] | Customer relationships [Member]              
Business Acquisition [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     8 years