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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Employee Benefit Plans [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

		December 31,
		Pension Benefits						Other Benefits
		2012			2011			2012			2011
Change in benefit obligation:
Benefit obligation at beginning of year		$	93,101		$	69,626		$	28,854		$	18,395
	Service cost		7,531			5,985			1,641			1,116
	Interest Cost		4,072			3,916			1,246			1,035
	Participant contributions		--			--			122			176
	Actuarial (gains) losses		13,270			16,164			2,341			8,348
	Benefits paid		(5,776)			(2,100)			(251)			(216)
	Foreign currency rate change effect		561			(490)			--			--
Benefit obligation at end of year		$	112,759		$	93,101		$	33,953		$	28,854

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

		December 31,
		Pension Benefits						Other Benefits
		2012			2011			2012			2011
Change in plan assets:
Fair value of plan assets at beginning of year		$	41,300		$	35,888		$	--		$	--
	Actual return on plan assets		5,449			540			--			--
	Employer contributions		8,543			6,972			129			40
	Participant contributions		--			--			122			176
	Benefits paid and expenses		(5,776)			(2,100)			(251)			(216)
	Administrative expense		--			--			--			--
Fair value of plan assets at end of year		$	49,516		$	41,300		$	--		$	--
Funded status at end of year		$	(63,243)		$	(51,801)		$	(33,953)		$	(28,854)

Schedule of Net Funded Status [Table Text Block]

		December 31,
		Qualified Plans						Non-Qualified Plans(1)						Total
		2012			2011			2012			2011			2012			2011
Aggregate fair value of plan assets		$	49,516		$	41,300		$	--		$	--		$	49,516		$	41,300
Aggregate projected benefit obligations			62,397			51,980			50,362			41,121			112,759			93,101
	Under funded	$	(12,881)		$	(10,680)		$	(50,362)		$	(41,121)		$	(63,243)		$	(51,801)
(1) For non-qualified plans, there are no required funding levels.

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

		December 31,
		Pension Benefits						Other Benefits
		2012			2011			2012			2011
Amounts recognized in accumulated other comprehensive income:
		Net actuarial loss		$	37,314		$	30,565		$	15,472		$	13,875
Net prior service cost			2,506			2,804			--			--
Total		$	39,820		$	33,369		$	15,472		$	13,875

Schedule Of Projected Benefit Obligations In Excess Of Fair Value Of Plan Assets [Table Text Block]

		2012			2011
Projected benefit obligation				$			112,759		$	93,101
Fair value of plan assets			49,516			41,300

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

The accumulated benefit obligations for all defined benefit pension plans were $106.8 million and $89.5 million at December 31, 2012 and 2011, respectively. The following table presents information for pension plans with an accumulated benefit obligation in excess of plan assets as of December 31, 2012 and 2011 (dollars in thousands):
																2012			2011
														Accumulated benefit obligation				$			106,845		$	89,531
Fair value of plan assets			49,516			41,300

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

The components of net periodic benefit cost and other changes in plan assets and benefit obligations recognized in other comprehensive income were as follows (dollars in thousands):
																					Pension Benefits									Other Benefits
		2012			2011			2010			2012			2011			2010
Net periodic benefit cost:
Service cost		$	7,531		$	5,985		$	4,762		$	1,641		$	1,116		$	847
Interest cost			4,072			3,916			3,420			1,246			1,035			882
Expected return on plan assets			(3,066)			(2,937)			(2,577)			--			--			--
Amortization of prior actuarial losses			3,439			980			688			743			353			236
Amortization of prior service cost			376			399			(171)			--			--			--
Settlements			841			--			--			--			--			--
	Net periodic benefit cost		13,193			8,343			6,122			3,630			2,504			1,965
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
		Net actuarial (gains) losses			10,888			18,561			(3,743)			2,341			8,348			2,326
		Prior service cost			--			--			--			--			--			--
Amortization of actuarial (gains) losses			(3,439)			(980)			(688)			(743)			(353)			(236)
Amortization of prior service cost (credit)			(376)			(399)			171			--			--			--
Settlements			(841)			--			--			--			--			--
Foreign exchange translations and other adjustments
				219			(196)			(307)			--			--			--
	Total recognized in other comprehensive income
			6,451			16,986			(4,567)			1,598			7,995			2,090
	Total recognized in net periodic benefit cost and other comprehensive income
		$	19,644		$	25,329		$	1,555		$	5,228		$	10,499		$	4,055

Schedule of Expected Benefit Payments [Table Text Block]

	Pension Benefits			Other Benefits
2013	$	4,971		$	350
2014		5,320			438
2015		5,547			505
2016		8,297			584
2017		7,167			666
2018-2022		45,270			4,812

Schedule of Assumptions Used [Table Text Block]

		Pension Benefits									Other Benefits
		2012			2011			2010			2012			2011			2010
Discount rate used to determine benefit obligation
			3.80	%		4.48	%		5.47	%		4.15	%		4.50	%		5.40	%
Discount rate used to determine net benefit cost or income
			4.12	%		5.22	%		5.96	%		4.50	%		5.40	%		5.75	%
Expected long-term rate of return on plan assets
			7.75	%		7.75	%		8.50	%		--	%		--	%		--	%
Rate of compensation increases		4.20	%		4.20	%		4.20	%		--	%		--	%		--	%

Schedule of Health Care Cost Trend Rates [Table Text Block]

	December 31,
	2012		2011
Pre-Medicare eligible claims	9% down to 5% in 2016		9% down to 5% in 2015
Medicare eligible claims	9% down to 5% in 2015		8% down to 5% in 2013

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

Assumed health care cost trend rates may have a significant effect on the amounts reported for health care plans. A one-percentage point change in assumed health care cost trend rates would have the following effects (dollars in thousands):
								One Percent Increase			One Percent Decrease
Effect on total of service and interest cost components	$	826		$	(607)
Effect on accumulated postretirement benefit obligation	$	8,238		$	(6,222)

Schedule of Allocation of Plan Assets [Table Text Block]

		December 31, 2012
					Fair Value Measurement Using:
		Total			Level 1			Level 2			Level 3
Mutual Funds(1)		$	49,456		$	49,456		$	--		$	--
Cash			60			60			--			--
	Total	$	49,516		$	49,516		$	--		$	--
(1)	Mutual funds were invested 42% in U.S. equity funds, 39% in U.S. fixed income funds, 16% in non-U.S. equity funds and 3% in other.
		December 31, 2011
					Fair Value Measurement Using:
		Total			Level 1			Level 2			Level 3
Mutual Funds(2)		$	41,250		$	41,250		$	--		$	--
Cash			50			50			--			--
	Total	$	41,300		$	41,300		$	--		$	--
(2)	Mutual funds were invested 43% in bond index funds, 25% in S&P 500 index funds, 12% in mid-cap stock funds, 13% in foreign large blend funds and 7% in small-cap funds.

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Tabular disclosure of accumulated benefit obligations and fair values of plan assets of pension plans and/or other employee benefit plans where the accumulated benefit obligation exceeds the fair value of plan assets.

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Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.

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Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost.

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Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.

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Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements.

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Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.

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Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period.

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Tabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits.

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

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Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved.

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Tabular disclosure of net funded status of pension plans and/or other employee benefit plans.

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