Summary of Significant Accounting Policies (Receivables) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Allowance for Doubtful Accounts Receivable
Balance at beginning of year	$ 488		$ 298		$ 441
Provision and reserve adjustments	78		138		91
Write-offs less recoveries	(35)		(30)		(274)
Reserve acquired			82	[1]	40
Balance at end of year	531		488		298
Racine Federated Inc
Allowance for Doubtful Accounts Receivable
Reserve acquired	0	[2]	82
Remag Ag
Allowance for Doubtful Accounts Receivable
Reserve acquired					$ 40

[1] The reserve increased $40,000 in 2011 related to the acquisition of Remag AG. Refer to Note 3 “Acquisitions” for a description of the acquisition.

[2] The reserve increased $82,000 in 2012 related to the acquisition of Racine Federated Inc. Refer to Note 3 “Acquisitions” for a description of the acquisition.