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Goodwill and Other Intangible Assets
6 Months Ended
Feb. 28, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets
Goodwill, Intangible Assets and Long-Lived Assets
The changes in the carrying value of goodwill for the six months ended February 28, 2017 are as follows (in thousands):
 
Industrial
 
Energy
 
Engineered Solutions
 
Total
Balance as of August 31, 2016
$
101,739

 
$
187,321

 
$
230,216

 
$
519,276

Purchase accounting adjustments
(59
)
 
2,320

 

 
2,261

Impact of changes in foreign currency rates
(1,812
)
 
(4,947
)
 
(5,700
)
 
(12,459
)
Balance as of February 28, 2017
$
99,868

 
$
184,694

 
$
224,516

 
$
509,078


The gross carrying value and accumulated amortization of the Company’s other intangible assets are as follows (in thousands):
 
 
 
February 28, 2017
 
August 31, 2016
 
Weighted Average
Amortization
Period (Years)
 
Gross
Carrying
Value
 
Accumulated
Amortization
 
Net
Book
Value
 
Gross
Carrying
Value
 
Accumulated
Amortization
 
Net
Book
Value
Amortizable intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
Customer relationships
15
 
$
287,584

 
$
171,853

 
$
115,731

 
$
292,671

 
$
166,252

 
$
126,419

Patents
11
 
29,992

 
23,047

 
6,945

 
30,296

 
22,233

 
8,063

Trademarks and tradenames
18
 
21,200

 
8,503

 
12,697

 
21,283

 
7,936

 
13,347

Other intangibles
3
 
6,506

 
5,950

 
556

 
6,627

 
5,890

 
737

Indefinite lived intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
Tradenames
N/A
 
89,630

 

 
89,630

 
90,909

 

 
90,909

 
 
 
$
434,912

 
$
209,353

 
$
225,559

 
$
441,786

 
$
202,311

 
$
239,475


The Company estimates that amortization expense will be $10.0 million for the remaining six months of fiscal 2017. Amortization expense for future years is estimated to be: $19.9 million in fiscal 2018, $19.3 million in 2019, $18.7 million in fiscal 2020, $17.8 million in fiscal 2021, $15.8 million in fiscal 2022 and $34.4 million thereafter. The future amortization expense amounts represent estimates and may be impacted by future acquisitions, divestitures or changes in foreign currency exchange rates.
Fiscal 2016 Interim Impairment Charge
The prolonged unfavorable conditions in the global oil & gas markets, including additional cuts in projected capital spending by energy customers, reduced exploration, drilling and commissioning activities and excess capacity in the industry were expected to have an adverse impact on the future financial results of the Cortland and Viking businesses.  Accordingly, during the second quarter of fiscal 2016, the Company recognized a $140.9 million impairment charge (as a result of lower projected future sales and profits) related to the Cortland and Viking businesses.
Additionally, weakness in off-highway vehicle and agricultural markets, coupled with challenging overall industrial fundamentals, reductions in OEM customer build rates and production schedules and delays in the start of production by certain European OEMs for new or updated design models resulted in reduced sales and profitability of the maximatecc business. As a result of lower projected sales and profits, during the second quarter of fiscal 2016, the Company recognized a $45.7 million impairment charge related to the maximatecc business.
A summary of the second quarter fiscal 2016 impairment charge by reporting unit is as follows (in thousands):
 
Cortland
 
Viking
 
maximatecc
 
Total
Goodwill
$
34,502

 
$
39,099

 
$
44,521

 
$
118,122

Indefinite lived intangible assets
2,211

 
13,289

 
1,153

 
16,653

Amortizable intangible assets

 
27,952

 

 
27,952

Fixed assets

 
23,784

 

 
23,784

 
$
36,713

 
$
104,124

 
$
45,674

 
$
186,511