v3.8.0.1
Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following is a rollforward of our goodwill by segment ($ in millions):
 
Professional Instrumentation
 
Industrial Technologies
 
Total
Balance, January 1, 2016
$
2,400.6

 
$
1,548.4

 
$
3,949.0

Attributable to 2016 acquisitions
61.3

 
51.9

 
113.2

Foreign currency translation & other
(38.2
)
 
(45.0
)
 
(83.2
)
Balance, December 31, 2016
2,423.7

 
1,555.3

 
3,979.0

Attributable to 2017 acquisitions
851.8

 
183.4

 
1,035.2

Foreign currency translation & other
55.5

 
28.8

 
84.3

Balance, December 31, 2017
$
3,331.0

 
$
1,767.5

 
$
5,098.5
Schedule of Finite-Lived Intangible Assets
The following summarizes the gross carrying value and accumulated amortization for each major category of intangible asset as of December 31 ($ in millions):
 
2017
 
2016
 
Gross Carrying Amount
 
Accumulated Amortization
 
Gross Carrying Amount
 
Accumulated Amortization
Finite-lived intangibles:
 
 
 
 
 
 
 
Patents and technology
$
376.6

 
$
(255.0
)
 
$
301.0

 
$
(240.1
)
Customer relationships and other intangibles
1,221.9

 
(502.1
)
 
734.9

 
(438.1
)
Total finite-lived intangibles
1,598.5

 
(757.1
)
 
1,035.9

 
(678.2
)
Indefinite-lived intangibles:
 
 
 
 
 
 
 
Trademarks and trade names
434.6

 
—

 
389.6

 
—

Total intangibles
$
2,033.1

 
$
(757.1
)
 
$
1,425.5

 
$
(678.2
)
Schedule of Indefinite-Lived Intangible Assets
The following summarizes the gross carrying value and accumulated amortization for each major category of intangible asset as of December 31 ($ in millions):
 
2017
 
2016
 
Gross Carrying Amount
 
Accumulated Amortization
 
Gross Carrying Amount
 
Accumulated Amortization
Finite-lived intangibles:
 
 
 
 
 
 
 
Patents and technology
$
376.6

 
$
(255.0
)
 
$
301.0

 
$
(240.1
)
Customer relationships and other intangibles
1,221.9

 
(502.1
)
 
734.9

 
(438.1
)
Total finite-lived intangibles
1,598.5

 
(757.1
)
 
1,035.9

 
(678.2
)
Indefinite-lived intangibles:
 
 
 
 
 
 
 
Trademarks and trade names
434.6

 
—

 
389.6

 
—

Total intangibles
$
2,033.1

 
$
(757.1
)
 
$
1,425.5

 
$
(678.2
)