PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Property, plant and equipment, net
Property, plant and equipment, gross	$ 4,694,631	$ 4,781,706
Accumulated depreciation	(1,859,572)	(1,847,042)
Property, plant and equipment, net	2,835,059	2,934,664
Compression equipment, facilities and other fleet assets
Property, plant and equipment, net
Property, plant and equipment, gross	4,115,378	4,226,307
Land and buildings
Property, plant and equipment, net
Property, plant and equipment, gross	179,896	176,764
Transportation and shop equipment
Property, plant and equipment, net
Property, plant and equipment, gross	248,567	233,689
Other
Property, plant and equipment, net
Property, plant and equipment, gross	$ 150,790	$ 144,946

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details

Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details

- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details