The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References+ Details

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Goodwill and Other Intangibles (Details) (USD $)	3 Months Ended		6 Months Ended
Goodwill and Other Intangibles (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment of goodwill			$ 3,711,000	$ 0
Goodwill foreign currency translation adjustments			(100,000)
Amortization of intangible assets	0	0	0	0
Fair Value, Measurements, Nonrecurring [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member]
Goodwill [Line Items]
Equity investment in Alcadon	13,100,000		13,100,000
Fair Value, Measurements, Nonrecurring [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Minimum [Member]
Goodwill [Line Items]
Weighted average cost of capital	34.30%
Long-term growth rate	1.50%
Fair Value, Measurements, Nonrecurring [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Maximum [Member]
Goodwill [Line Items]
Weighted average cost of capital	40.30%
Long-term growth rate	4.50%
Fair Value, Measurements, Nonrecurring [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Median [Member]
Goodwill [Line Items]
Weighted average cost of capital	37.30%
Long-term growth rate	3.00%
Fair Value, Measurements, Nonrecurring [Member] \| Non-Binding Offer From Third Party [Member] \| Fair Value, Inputs, Level 3 [Member]
Goodwill [Line Items]
Equity investment in Alcadon	$ 11,900,000		$ 11,900,000