Estimated Fair Values of Assets Acquired and Liabilities Assumed for the Beech Acquisition (Detail) (Beech, USD $) In Thousands	Apr. 12, 2011
Business Acquisition [Line Items]
Cash	$ 525
Current assets	1,145
Property, plant and equipment	57
Goodwill	10,801
Other intangibles	2,023
Deferred tax asset	704
Current liabilities	(1,100)
Other non-current liabilities	(671)
Net assets acquired and liabilities assumed	13,484
as initially reported
Business Acquisition [Line Items]
Cash	525
Current assets	1,145
Property, plant and equipment	57
Goodwill	11,433
Other intangibles	2,317
Current liabilities	(1,100)
Other non-current liabilities	(893)
Net assets acquired and liabilities assumed	13,484
Measurement Period Adjustments
Business Acquisition [Line Items]
Goodwill	(632)
Other intangibles	(294)
Deferred tax asset	704
Other non-current liabilities	$ 222