XML 102 R86.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
FAIR VALUE MEASUREMENTS - Summary of Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Assets      
Fair Value $ 793.8   $ 706.2
Fair Value on a Recurring Basis | Fair Value      
Assets      
Cash equivalents 32.4   11.8
Investments held for deferred compensation plans 88.9   67.6
Derivatives 30.7   29.9
Total assets 945.8   815.5
Liabilities      
Derivatives 6.4   5.2
Deferred compensation plans 88.7   68.5
Contingent consideration liabilities 172.5   178.6
Total liabilities 267.6   252.3
Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Cash equivalents 0.7   0.0
Investments held for deferred compensation plans 88.9   67.6
Derivatives 0.0   0.0
Total assets 165.7   87.2
Liabilities      
Derivatives 0.0   0.0
Deferred compensation plans 88.7   68.5
Contingent consideration liabilities 0.0   0.0
Total liabilities 88.7   68.5
Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Cash equivalents 31.7   11.8
Investments held for deferred compensation plans 0.0   0.0
Derivatives 30.7   29.9
Total assets 780.1   728.3
Liabilities      
Derivatives 6.4   5.2
Deferred compensation plans 0.0   0.0
Contingent consideration liabilities 0.0   0.0
Total liabilities 6.4   5.2
Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Cash equivalents 0.0   0.0
Investments held for deferred compensation plans 0.0   0.0
Derivatives 0.0   0.0
Total assets 0.0   0.0
Liabilities      
Derivatives 0.0   0.0
Deferred compensation plans 0.0   0.0
Contingent consideration liabilities 172.5   178.6
Total liabilities 172.5   178.6
Bank time deposits      
Assets      
Fair Value 13.1   0.0
Bank time deposits | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value   $ 13.1  
Bank time deposits | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value   0.0  
Bank time deposits | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value   13.1  
Bank time deposits | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value   $ 0.0  
Corporate debt securities      
Assets      
Fair Value 489.2   455.6
Corporate debt securities | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value 489.2   455.6
Corporate debt securities | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value 0.0   0.0
Corporate debt securities | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value 489.2   455.6
Corporate debt securities | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value 0.0   0.0
Asset-backed securities      
Assets      
Fair Value 141.7   110.2
Asset-backed securities | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value 141.7   110.2
Asset-backed securities | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value 0.0   0.0
Asset-backed securities | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value 141.7   110.2
Asset-backed securities | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value 0.0   0.0
U.S. government and agency securities      
Assets      
Fair Value 113.8   79.2
U.S. government and agency securities | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value 113.8   79.2
U.S. government and agency securities | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value 76.1   19.6
U.S. government and agency securities | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value 37.7   59.6
U.S. government and agency securities | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value 0.0   0.0
International government bonds      
Assets      
Fair Value 1.7   1.7
International government bonds | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value 1.7   1.7
International government bonds | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value 0.0   0.0
International government bonds | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value 1.7   1.7
International government bonds | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value 0.0   0.0
Commercial paper      
Assets      
Fair Value 34.3   56.7
Commercial paper | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value 34.3   56.7
Commercial paper | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value 0.0   0.0
Commercial paper | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value 34.3   56.7
Commercial paper | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value 0.0   0.0
Municipal securities      
Assets      
Fair Value $ 0.0   2.8
Municipal securities | Fair Value on a Recurring Basis | Fair Value      
Assets      
Fair Value     2.8
Municipal securities | Fair Value on a Recurring Basis | Fair Value | Level 1      
Assets      
Fair Value     0.0
Municipal securities | Fair Value on a Recurring Basis | Fair Value | Level 2      
Assets      
Fair Value     2.8
Municipal securities | Fair Value on a Recurring Basis | Fair Value | Level 3      
Assets      
Fair Value     $ 0.0