|
|
|
|
|
|
|
|
|
|
December 31, |
|||
|
|
2012 |
|
2011 |
||
|
Land |
$ |
1,173 |
|
$ |
1,104 |
|
Buildings |
|
27,082 |
|
|
26,129 |
|
Machinery and equipment |
|
142,374 |
|
|
138,680 |
|
Software |
|
26,015 |
|
|
24,955 |
|
Cylinders and canisters |
|
57,711 |
|
|
50,458 |
|
Furniture and fixtures |
|
2,287 |
|
|
3,042 |
|
Leasehold improvements |
|
21,820 |
|
|
24,841 |
|
Construction in progress |
|
14,263 |
|
|
6,486 |
|
|
|
292,725 |
|
|
275,695 |
|
Accumulated depreciation and amortization |
|
(167,626) |
|
|
(159,420) |
|
|
|
|
|
|
|
|
|
$ |
125,099 |
|
$ |
116,275 |