Accounts Receivable and Sales Concentrations - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net sales	$ 373,206	$ 370,084	$ 424,691
Accounts receivable, net	58,929	51,628
SKF [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net sales	132,654	124,349	159,668
Accounts receivable concentrations in excess	10.00%	10.00%
Accounts receivable, net	17,005	15,433
SNR [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable concentrations in excess	10.00%	10.00%
Accounts receivable, net	$ 6,893
Sales [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of consolidated revenue	10.00%	10.00%	10.00%
Sales [Member] | SKF [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of consolidated revenue	36.00%	34.00%	38.00%