Other intangible assets, net |
8.
Other intangible assets, net
Cost
Accumulated
amortization
Net book
value
(in thousands)
Assets subject to amortization:
Customer related intangibles
$
752,913
$
(181,307
)
$
571,606
Unpatented technology
101,578
(33,532
)
68,046
Software
53,408
(30,739
)
22,669
Patents and other protective rights
32,762
(20,187
)
12,575
Backlog
1,920
(1,920
)
-
Trade secrets
2,773
(1,224
)
1,549
Assets not subject to amortization:
Trade names
192,455
-
192,455
Balances at December 31, 2009
$
1,137,809
$
(268,909
)
$
868,900
Assets subject to amortization:
Customer related intangibles
$
748,540
$
(192,957
)
$
555,583
Unpatented technology
106,819
(37,084
)
69,735
Software
53,386
(32,390
)
20,996
Patents and other protective rights
32,630
(21,141
)
11,489
Backlog
1,788
(1,788
)
-
Trade secrets
1,604
(156
)
1,448
Assets not subject to amortization:
Trade names
194,045
-
194,045
Balances at March 31, 2010
$
1,138,812
$
(285,516
)
$
853,296
Amortization expense of other intangible assets was $18,511 and $16,793 during the three months ended March 31, 2010 and 2009, respectively. |