Number of banks where demand deposit or money market accounts are held by the company.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Glossary Income Tax Expense (or Benefit)

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Cumulative translation adjustment resulting from translating foreign currency financial statements into the reporting currency. Reported in equity as part of accumulated other comprehensive income.

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Operations and Summary of Significant Accounting Policies - Comprehensive Income (Loss) - (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 bank	Dec. 31, 2013	Dec. 31, 2012
Risks and Uncertainties [Abstract]
Number of banks where demand deposit or money market accounts are held by the company									15
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period				$ 18,086,000				$ 12,099,000	$ 18,086,000	$ 12,099,000	$ 6,783,000
Other Comprehensive Income (Loss), Net of Tax									(25,266,000)	3,193,000	5,316,000
Amounts reclassified from accumulative other comprehensive income, net of tax										2,794,000
Balance, end of period	(7,180,000)				18,086,000				(7,180,000)	18,086,000	12,099,000
Translation Adjustment Functional to Reporting Currency, Net of Tax					2,800,000					2,800,000
Provision for income taxes	4,942,000us-gaap_IncomeTaxExpenseBenefit	11,577,000us-gaap_IncomeTaxExpenseBenefit	11,667,000us-gaap_IncomeTaxExpenseBenefit	7,605,000us-gaap_IncomeTaxExpenseBenefit	4,290,000us-gaap_IncomeTaxExpenseBenefit	10,870,000us-gaap_IncomeTaxExpenseBenefit	11,177,000us-gaap_IncomeTaxExpenseBenefit	4,256,000us-gaap_IncomeTaxExpenseBenefit	35,791,000us-gaap_IncomeTaxExpenseBenefit	30,593,000us-gaap_IncomeTaxExpenseBenefit	20,003,000us-gaap_IncomeTaxExpenseBenefit
Foreign currency translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period				18,283,000				12,342,000	18,283,000	12,342,000	6,783,000
Other Comprehensive Income (Loss), Net of Tax									(24,896,000)	3,147,000	5,559,000
Amounts reclassified from accumulative other comprehensive income, net of tax										2,794,000
Balance, end of period	(6,613,000)				18,283,000				(6,613,000)	18,283,000	12,342,000
Tax expense (benefit)									63,000	(29,000)	33,000
Foreign currency translation \| Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision for income taxes										0
Pension benefit
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period				(197,000)				(243,000)	(197,000)	(243,000)	0
Other Comprehensive Income (Loss), Net of Tax									(370,000)	46,000	(243,000)
Amounts reclassified from accumulative other comprehensive income, net of tax
Balance, end of period	(567,000)				(197,000)				(567,000)	(197,000)	(243,000)
Tax expense (benefit)									(67,000)	3,000	46,000
Pension benefit \| Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision for income taxes										$ 0