Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

+ References+ Details

- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References+ Details

Accrued Liability Associated with Relocation and Restructuring Programs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period			$ 790
Costs Accrued	18	5,926	73	10,402
Payments			636
Balance at end of period	227		227
Due within 12 months	227		227
One Time Termination Benefits To Employees Two Thousand Ten Restructuring Program
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period			8
Costs Accrued			71
Payments			76
Balance at end of period	3		3
Due within 12 months	3		3
One-Time Termination Benefits To Employees - 2011 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period			782
Costs Accrued			2
Payments			560
Balance at end of period	224		224
Due within 12 months	$ 224		$ 224