Other Intangible Assets and Goodwill (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Changes in the carrying amount of goodwill and accumulated impairment charges
Net carrying value at beginning of period	$ 106,100	$ 146,259	$ 146,259
Goodwill Impairment charge	0	(40,159)	0
Net carrying value at end of period	106,100	106,100	146,259
Gross Carrying Value	146,259	146,259
Accumulated impairment charge	(40,159)	(40,159)
Goodwill	$ 106,100	$ 106,100	$ 146,259

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

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