Intangibles (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Change in the Carrying Amount of Goodwill by Segment

The change in the carrying amount of goodwill by segment for the six months ended June 30, 2017 is as follows:

In thousands	Freight Segment		Transit Segment		Total
Balance at December 31, 2016	$	550,902	$	1,527,863	$	2,078,765
Adjustment to preliminary purchase allocation	2,556		77,299		79,855
Acquisitions	62,158		4,999		67,157
Foreign currency impact	5,660		112,171		117,831
Balance at June 30, 2017	$	621,276	$	1,722,332	$	2,343,608

Intangible Assets of the Company, Other Than Goodwill and Trade Names

Intangible assets of the Company, other than goodwill and trade names, consist of the following:

In thousands	June 30, 2017		December 31, 2016
Patents, non-compete and other intangibles, net of accumulated
amortization of $43,600 and $42,538	$	13,504	$	15,360
Customer relationships, net of accumulated amortization
of $106,272 and $87,334	562,603		528,068
Total	$	576,107	$	543,428

Amortization Expense

Amortization expense for the five succeeding years is estimated to be as follows:

Remainder of 2017	$	19,775
2018	36,983
2019	35,696
2020	34,174
2021	32,203