Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures

The following table provides a reconciliation of benefit obligations, plan assets and the funded status of the pension plans and other postretirement benefits:

	Pension Benefits						Other Postretirement Benefits
	2013			2012			2013			2012
Change in benefit obligation:
Benefit obligation at January 1	$	(153,716	)	$	(151,008	)	$	(10,158	)	$	(9,635	)
Service cost	(1,170		)	(1,275		)	(16		)	(14		)
Interest cost	(5,518		)	(6,513		)	(418		)	(465		)
Plan settlement	1,819			—			—			—
Benefits paid	10,510			12,813			560			512
Expenses paid	350			308			—			—
Actuarial (gain) loss	(3,186		)	(8,041		)	1,133			(556		)
Benefit obligation at December 31	$	(150,911	)	$	(153,716	)	$	(8,899	)	$	(10,158	)
Change in plan assets:
Fair value of plan assets at January 1	$	128,060		$	122,012		$	—		$	—
Actual return on plan assets	19,482			15,656			—			—
Plan settlement	(1,819		)	—			—			—
Expenses paid	(350		)	(308		)	—			—
Contributions	2,173			3,513			560			512
Benefits paid	(10,510		)	(12,813		)	(560		)	(512		)
Fair value of plan assets at December 31	$	137,036		$	128,060		$	—		$	—
Funded status at December 31	$	(13,875	)	$	(25,656	)	$	(8,899	)	$	(10,158	)
Amounts recognized in the consolidated balance sheets:
Prepaid pension costs	$	26,080		$	12,870		$	—		$	—
Other accrued liabilities	(342		)	(2,161		)	(597		)	(663		)
Non-current employee benefit liabilities	(39,613		)	(36,365		)	(8,304		)	(9,495		)
Net amounts recognized	$	(13,875	)	$	(25,656	)	$	(8,901	)	$	(10,158	)

Schedule of Net Benefit Costs

	Pension Benefits									Other Postretirement Benefits
	2013			2012			2011			2013			2012			2011
Service cost — benefits earned during the period	$	1,170		$	1,275		$	1,422		$	16		$	14		$	13
Interest cost on projected benefit obligation	5,518			6,513			7,481			418			465			500
Expected return on assets	(7,915		)	(8,145		)	(8,834		)	—			—			—
Settlement loss	244			—			—			—			—			—
Amortization of net loss (gain)	1,918			3,602			2,807			(64		)	(121		)	(88		)
Net expense	$	935		$	3,245		$	2,876		$	370		$	358		$	425

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year

The following table summarizes amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost for the year ending 2014.

	Defined Benefit Pension Plans		Post- Retirement Plans			Total
Actuarial loss (gain)	$	1,075	$	(60	)	$	1,015

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

As of December 31, 2013, current year accumulated other comprehensive income, before income taxes, consists of the following:

	Defined Benefit Pension Plans			Post- Retirement Plans			Total
Prior year accumulated other comprehensive income	$	(37,646	)	$	(182	)	$	(37,828	)
Amortization of prior service costs	—			—			—
Amortization of gain (loss)	2,163			(64		)	2,099
Net loss arising during the year	8,381			1,132			9,513
Current year accumulated other comprehensive loss	$	(27,102	)	$	886		$	(26,216	)

As of December 31, 2012, current year accumulated other comprehensive income, before income taxes, consisted of the following:

	Defined Benefit Pension Plans			Post- Retirement Plans			Total
Prior year accumulated other comprehensive income	$	(40,717	)	$	495		$	(40,222	)
Amortization of prior service costs	2,018			—			2,018
Amortization of gain (loss)	1,584			(121		)	1,463
Net loss arising during the year	(531		)	(556		)	(1,087		)
Current year accumulated other comprehensive (loss) income	$	(37,646	)	$	(182	)	$	(37,828	)

Schedule of Assumptions Used

	Pension Benefits			Other Postretirement Benefits
	2013	2012	2011	2013		2012		2011
Weighted average assumptions:
Discount rates — benefit obligation	3.00% - 4.75%	2.25% - 4.00%	3.75% - 4.75%	5.00	%	4.25	%	5.00	%
Discount rates — service cost	2.25% - 4.00%	3.75% - 4.75%	5.25%	4.25	%	5.00	%	5.25	%
Assumed rates of return on invested assets	6.50%	7.00%	7.00%	—		—		—
Salary increase assumptions	N/A	N/A	N/A	3.00	%	3.00	%	3.00	%

Schedule of Allocation of Plan Assets

Vector’s defined benefit retirement plan allocations at December 31, 2013 and 2012, by asset category, were as follows:

	Plan Assets at December 31,
	2013		2012
Asset category:
Equity securities	50	%	47	%
Investment grade fixed income securities	28	%	30	%
High yield fixed income securities	10	%	10	%
Alternative investments	6	%	8	%
Short-term investments	6	%	5	%
Total	100	%	100	%

The defined benefit plans’ recurring financial assets and liabilities subject to fair value measurements and the necessary disclosures are as follows:

	Fair Value Measurements as of December 31, 2013
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Insurance contracts	$	2,396	$	—	$	2,396	$	—
Amounts in individually managed investment accounts:
Cash	7,424		7,424		—		—
U.S. equity securities	46,520		46,520		—		—
Common collective trusts	57,912		—		57,912		—
Investment partnership	22,748		—		13,717		9,031
Total	$	137,000	$	53,944	$	74,025	$	9,031

	Fair Value Measurements as of December 31, 2012
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Insurance contracts	$	2,079	$	—	$	2,079	$	—
Amounts in individually managed investment accounts:
Cash, mutual funds and common stock	6,309		6,309		—		—
U.S. equity securities	43,246		43,246		—		—
Common collective trusts	65,867		—		52,714		13,153
Investment partnership	10,559		—		—		10,559
Total	$	128,060	$	49,555	$	54,793	$	23,712

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets

The changes in the fair value of these Level 3 investments as of December 31, 2013 and 2012 were as follows:

	2013			2012
Balance as of January 1	$	23,712		$	22,582
Transfers	(13,153		)	—
Distributions	(2,669		)	(2,905		)
Contributions	—			864
Unrealized loss on long-term investments	(1,779		)	2,442
Realized gain on long-term investments	2,920			729
Balance as of December 31	$	9,031		$	23,712

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A 1% change in assumed health care cost trend rates would have the following effects:

	1% Increase		1% Decrease
Effect on total of service and interest cost components	$	6	$	(6	)
Effect on benefit obligation	119		(110		)

Schedule of Expected Benefit Payments

Estimated future pension and postretirement medical benefits payments are as follows:

	Pension		Postretirement Medical
2014	$	10,749	$	596
2015	10,422		603
2016	10,080		607
2017	9,793		611
2018	39,101		615
2019 - 2023	54,013		3,114