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Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2015
Accounting Policies [Abstract]  
Components of inventories
Inventories consisted of the following:
 
September 30,
2015
 
December 31,
2014
Raw materials and parts
$
101,655

 
$
97,969

Work-in-progress
42,184

 
34,973

Finished goods
81,703

 
71,589

 
$
225,542

 
$
204,531
Components of other intangible assets
Other intangible assets consisted of the following:
 
September 30, 2015
 
December 31, 2014
 
Gross
Amount
 
Accumulated
Amortization
 
Intangibles, Net
 
Gross
Amount
 
Accumulated
Amortization
 
Intangibles, Net
Customer relationships
$
98,211

 
$
(29,836
)
 
$
68,375

 
$
98,325

 
$
(28,159
)
 
$
70,166

Proven technology and patents
50,349

 
(31,957
)
 
18,392

 
45,588

 
(30,761
)
 
14,827

Tradename (finite life)
4,215

 
(2,250
)
 
1,965

 
4,140

 
(1,786
)
 
2,354

Tradename (indefinite life)
24,805

 
—

 
24,805

 
24,947

 
—

 
24,947

Other
2,109

 
(1,291
)
 
818

 
1,573

 
(1,083
)
 
490

 
$
179,689

 
$
(65,334
)
 
$
114,355

 
$
174,573

 
$
(61,789
)
 
$
112,784