Description of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Activity in our allowance for doubtful accounts was comprised of the following for the periods indicated:

	Year ended December 31,
	2013		2012		2011
	(In thousands)
Beginning balance	$	1,756	$	1,015	$	701
Additions		121		782		601
Deductions		(472)		(41)		(287)
Ending balance	$	1,405	$	1,756	$	1,015

Schedule Of Depreciation [Table Text Block]

Depreciation of property, plant and equipment is recognized on a straight-line basis over the following estimated useful lives:

Class of assets		Useful life
Buildings and improvements		5 to 40 years
Machinery, equipment, and furniture and fixtures		3 to 10 years
Leasehold improvements		Shorter of asset life or term of lease

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following table presents instruments which were not dilutive and were excluded from the computation of diluted EPS in each period, as well as the weighted average dilutive common stock equivalent shares which were included in the computation of diluted EPS:

	Year ended December 31,
	2013	2012	2011
	(In thousands)
Non-dilutive instruments	28	64	115
Dilutive common stock equivalents	259	319	244