Property, Plant and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

11. Property, Plant and Equipment

Balances of property, plant and equipment for 2013 have been revised from previously filed reports to correct an error that resulted in the misstatement of cost and accumulated depreciation and amortization by the same amount. The Company has determined that the error is immaterial to previously filed financial reports and, accordingly, has corrected the error by revising the previously disclosed amounts.

The table below sets forth the revision and the components of property, plant and equipment.

(in thousands)	2014	2013 revised balance	Error correction	As previously reported 2013	Estimated useful life
Land and land improvements	$22,967	$25,321	($1,760)	$27,081	25 years for improvements
Buildings	225,094	236,963	(3,886)	240,849	25 to 40 years
Machinery and equipment	940,764	980,055	77,018	903,037	10 years
Furniture and fixtures	6,716	7,465	647	6,818	5 years
Computer and other equipment	13,692	12,086	(757)	12,843	3 to 10 years
Software	50,586	50,100	(146)	50,246	5 to 8 years
Property, plant and equipment, gross	1,259,819	1,311,990	71,116	1,240,874
Accumulated depreciation and amortization	(864,706)	(893,160)	(71,116)	(822,044)
Property, plant and equipment, net	$395,113	$418,830	$-	$418,830

 Expenditures for maintenance and repairs are charged to income as incurred and amounted to $17.4 million in 2014, $17.5 million in 2013, and $17.0 million in 2012.

Depreciation expense was $56.6 million in 2014, $57.2 million in 2013, $56.7 million in 2012. Software amortization is recorded in Selling, general, and administrative expense and was $6.2 million in 2014, $6.0 million in 2013 and $5.8 million in 2012. Capital expenditures, including purchased software, were $58.9 million in 2014, $64.5 million in 2013, and $37.2 million in 2012. Unamortized software cost was $13.8 million and $19.2 million as of December 31, 2014 and 2013, respectively.