Significant Accounting Policies (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013 Reportable_Segment	Dec. 31, 2012 Operation	Dec. 31, 2011 Operation	Dec. 31, 2013	Feb. 03, 2006 Defined_Benefit_Plan
Accounting Policies [Line Items]
Number of principal reporting segments		3
Outstanding forward exchange contracts related to sales		$ 2,884,000
Goodwill, Balance at the beginning of the period		31,648,000	31,751,000	34,073,000	32,073,000
Goodwill percentage of total assets		7.00%
Number of operations			1	2
Goodwill impairment	656,000	0	656,000	1,898,000
Hypothetical percentage decline in fair value of each reporting unit		15.00%
Intangible assets	5,500,000		5,500,000
Number of defined benefit pension plans						2
Period for payment for supplemental retirement benefit		14 years 6 months
Book value of capitalized software	1,092,000	944,000	1,092,000
Option term (years)		10 years
Options
Accounting Policies [Line Items]
Award vesting period (years)		5 years
Accrued liabilities and Other long-term liabilities
Accounting Policies [Line Items]
Supplemental retirement benefit liability	115,000	40,000	115,000		40,000
Software Development
Accounting Policies [Line Items]
Software depreciation		488,000	676,000	822,000
Software Development | Low
Accounting Policies [Line Items]
Useful Lives		2 years
Software Development | High
Accounting Policies [Line Items]
Useful Lives		7 years
Gradall | Trade Names
Accounting Policies [Line Items]
Indefinite-lived intangible assets		3,600,000			3,600,000
Bush Hog | Trade Names
Accounting Policies [Line Items]
Indefinite-lived intangible assets		1,900,000			1,900,000
Trademarks
Accounting Policies [Line Items]
Intangible assets		5,500,000			5,500,000
Hourly Employees’ Pension Plan
Accounting Policies [Line Items]
Former employees		330
Current employees		133
Employees’ Retirement Plan
Accounting Policies [Line Items]
Former employees		239
Current employees		87
Schwarze
Accounting Policies [Line Items]
Goodwill, Balance at the beginning of the period					6,900,000
Rivard
Accounting Policies [Line Items]
Goodwill, Balance at the beginning of the period					12,300,000
Other income (expense)
Accounting Policies [Line Items]
Foreign currency transaction gains		921,000	(476,000)	816,000
Selling, General and Administrative expenses
Accounting Policies [Line Items]
Advertising expense		6,646,000	6,353,000	6,441,000
Product development and engineering costs		7,164,000	5,686,000	6,017,000
Scenario, Forecast
Accounting Policies [Line Items]
Unrealized gain of contracts		$ 11,000