Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Property, plant and equipment
Gross amount	$ 195,618	$ 169,755
Less accumulated depreciation	(70,966)	(59,077)
Net amount	124,652	110,678
Assets under a capital lease for equipment related to the service center operation in Shanghai, China		875
Land and land improvements
Property, plant and equipment
Gross amount	6,415	6,024
Buildings
Property, plant and equipment
Gross amount	17,178	15,960
Machinery and equipment
Property, plant and equipment
Gross amount	154,670	141,442
Construction in process
Property, plant and equipment
Gross amount	$ 17,355	$ 6,329

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