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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure
Property, Plant and Equipment

Property, plant and equipment consists of the following:
December 31,
(dollars in thousands)
2011
 
2010
Land
$
19,845

 
$
21,534

Buildings
89,873

 
90,666

Machinery and equipment
437,320

 
438,965

Furniture and fixtures
13,663

 
13,774

Software
20,893

 
21,499

Construction in progress
14,595

 
11,609

Gross property, plant and equipment
596,189

 
598,047

Less accumulated depreciation
331,471

 
327,650

Net property, plant and equipment
$
264,718

 
$
270,397


Property, plant and equipment are stated at cost less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the assets, generally 3 to 14 years for equipment and 10 to 40 years for buildings and improvements. Software consists of internally developed and purchased software packages for internal use. Capitalized costs include software packages, installation, and/or certain internal labor costs. These costs are generally amortized over a five-year period. Depreciation expense was $40.9 million, $39.8 million and $41.7 million for the years 2011, 2010 and 2009, respectively.

During 2011, we wrote down unutilized fixed assets within our Glass Operations segment. The non-cash charge of $0.8 million was included in cost of sales on the Consolidated Statements of Operations.

In 2010, we wrote down decorating assets in our Shreveport, Louisiana facility as a result of our decision to outsource our U.S. decorating business. A non-cash charge of $0.4 million was recorded in special charges on the Consolidated Statements of Operations. In addition, in 2010, we wrote down certain after-processing equipment within our Glass Operations segment that was no longer being used in our production process. A non-cash charge of $2.7 million was recorded in cost of sales on the Consolidated Statements of Operations. During 2011, we received a $1.0 million credit from the supplier of this equipment. Also in 2010, we recorded a $0.6 million reduction in the carrying value of our land at the Syracuse China manufacturing facility that was recorded in special charges on the Consolidated Statements of Operations. See note 7 for further discussion of these restructuring charges.