Final Allocation of the Cash Paid for Cozzini Acquisition (Detail) (Cozzini, USD $) In Thousands, unless otherwise specified	Sep. 21, 2010
Business Acquisition [Line Items]
Cash	$ 587
Current assets	13,773
Property, plant and equipment	833
Goodwill	7,856
Other intangibles	7,810
Other assets	708
Current liabilities	(11,791)
Consideration paid at closing	19,776
Contingent consideration	2,000
Net assets acquired and liabilities assumed	21,776
as initially reported
Business Acquisition [Line Items]
Cash	557
Current assets	13,601
Property, plant and equipment	863
Goodwill	9,601
Other intangibles	6,691
Other assets	636
Current liabilities	(11,859)
Consideration paid at closing	20,090
Contingent consideration	2,000
Net assets acquired and liabilities assumed	22,090
Measurement Period Adjustments
Business Acquisition [Line Items]
Cash	30
Current assets	172
Property, plant and equipment	(30)
Goodwill	(1,745)
Other intangibles	1,119
Other assets	72
Current liabilities	68
Consideration paid at closing	(314)
Net assets acquired and liabilities assumed	$ (314)