Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Changes in Projected Benefit Obligations

The following tables set forth the change in the projected benefit obligation and plan assets and reconcile the funded status and the amounts recognized in the Consolidated Balance Sheets for the pension and postretirement benefit plans for the two years ended December 31:

	Pension						Postretirement
	2016			2015			2016			2015
Change in Projected Benefit Obligation
Projected benefit obligation at beginning of year		$84,005			$87,355			$1,159			$1,226
Service cost	1,307			1,484			4			11
Interest cost	3,474			3,319			42			52
Curtailment gain	(5,447		)	—			—			—
Actuarial (gain) loss	1,296			(5,332		)	99			(123		)
Benefits paid	(2,883		)	(2,821		)	(19		)	(7		)
Projected benefit obligation at end of year		$81,752			$84,005			$1,285			$1,159

Funded Status at End of Year:
Net accrued benefit cost	($30,638	)	($33,035	)	($1,285	)	($1,159	)

Schedule of Changes in Fair Value of Plan Assets

Change in Plan Assets
Fair value of plan assets at beginning of year		$50,970			$55,546		—		—
Actual return on plan assets	3,557			(1,241		)	—		—
Employer contributions	29			29			19		7
Benefits paid	(2,883		)	(2,821		)	(19	)	(7	)
Other expense	(559		)	(543		)	—		—
Fair value of plan assets at end of year		$51,114			$50,970		—		—

Schedule of Amounts Recognized in Balance Sheet

Amounts Recognized in the Consolidated
Balance Sheets Consist of:
Current liabilities		($36	)		($32	)		($30	)		($24	)
Noncurrent liabilities	(30,602		)	(33,003		)	(1,255		)	(1,135		)
Net amount recognized		($30,638	)		($33,035	)		($1,285	)		($1,159	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Net gains or losses recognized in other comprehensive income for the three years ended December 31 are as follows:

	Pension								Postretirement
	2016		2015			2014			2016			2015		2014
Net gains (losses)		$3,119		($477	)		($37,559	)		($99	)		$123		($2,250	)

Net gains or losses and prior service costs or credits reclassified from other comprehensive income and recognized as a component of pension and postretirement expense for the three years ended December 31 are as follows:

	Pension						Postretirement
	2016		2015		2014		2016			2015		2014
Amortization of losses (gains)		$2,526		$3,733		$6,542		($13	)		$12		$288
Amortization of prior service cost	—		13		576		—			—		8
Amortization of negative plan amendment	—		—		—		—			—		(137		)

Schedule of Net Periodic Benefit Cost Not yet Recognized

Net losses that have not yet been included in pension and postretirement expense for the two years ended December 31, which have been recognized as a component of AOCI are as follows:

	Pension						Postretirement
	2016			2015			2016			2015
Net (losses) gains	(22,065		)	(27,710		)	(67		)	45
Deferred income tax benefit	1,927			1,927			6			6
AOCI		($20,138	)		($25,783	)		($61	)		$51

Schedule of Projected Benefit Obligation and Accumulated Benefit Obligation in Excess of Fair Value

For pension and postretirement plans with accumulated benefit obligations in excess of plan assets, the following table sets forth the projected and accumulated benefit obligations and the fair value of plan assets for the two years ended December 31:

	2016		2015
Projected benefit obligation		$81,752		$84,005
Accumulated benefit obligation	81,752		78,779
Fair value of plan assets	51,114		50,970

Schedule of Net Benefit Costs

The following tables set forth the components of net pension and postretirement benefit cost that have been recognized during the three years ended December 31:

	Pension									Postretirement
	2016			2015			2014			2016			2015		2014
Components of Net Periodic Benefit Cost
Service cost		$1,307			$1,484			$3,923			$4			$11		$402
Interest cost	3,474			3,319			10,707			42			52		537
Expected return on plan assets	(4,030		)	(4,027		)	(15,258		)	—			—		—
Amortization of prior service cost	—			13			576			—			—		8
Amortization of losses (gains)	2,526			3,733			6,542			(13		)	12		288
Amortization of negative plan amendment	—			—			—			—			—		(137		)
Net periodic benefit cost (a)		$3,277			$4,522			$6,490			$33			$75		$1,098

(a) Net periodic benefit cost for the year ended December 31, 2014 included $4.0 million recorded in “Income from discontinued operations, net” on the Consolidated Statements of Income and Comprehensive Income.

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

The estimated pre-tax amounts that will be amortized from AOCI into net periodic benefit cost in 2017 are as follows:

	Pension		Postretirement
Amortization of loss (gain)		$416		($1	)

Schedule of Assumptions Used

The following table sets forth the principal assumptions inherent in the determination of benefit obligations and net periodic benefit cost of the pension and postretirement benefit plans as of December 31:

	Pension						Postretirement
	2016		2015		2014		2016		2015		2014
Assumptions used to determine benefit obligations at December 31:
Discount rate	4.01	%	4.20	%	3.80	%	4.12	%	4.34	%	3.96	%
Rate of compensation increase	4.16	%	4.50	%	4.50	%	4.50	%	4.50	%	4.50	%
Assumptions used to determine net periodic benefit cost for years ended December 31:
Discount rate (pre spin-off)	—		—		4.60	%	—		—		4.60	%
Discount rate (post spin-off)	4.20	%	3.80	%	4.04	%	4.34	%	3.96	%	4.00	%
Expected long-term return on plan assets	7.70	%	7.70	%	8.50	%	—		—		—
Rate of compensation increase	4.16	%	4.50	%	4.50	%	4.50	%	4.50	%	4.50	%

Schedule of Allocation of Plan Assets

The Company’s pension plans’ asset allocation (excluding short-term investments) at December 31, 2016 and 2015, and target allocation ranges by asset category are as follows:

	Percentage of Plan Assets				Target Allocation Range
Asset Category	2016		2015
Domestic equity securities	41	%	40	%	35-45%
International equity securities	25	%	25	%	20-30%
Domestic fixed income securities	26	%	27	%	25-29%
International fixed income securities	5	%	5	%	3-7%
Real estate fund	3	%	3	%	2-4%
Total	100	%	100	%

The following table sets forth by level, within the fair value hierarchy (see Note 2 — Summary of Significant Accounting Policiesfor definition), the assets of the plans as of December 31, 2016 and 2015.

	Fair Value at December 31, 2016						Fair Value at December 31, 2015
Asset Category	Level 1		Level 2	Level 3	Total		Level 1		Level 2	Level 3	Total
Investments at Fair Value:
Mutual Funds		$13,962	—	—		$13,962		$13,774	—	—		$13,774
Investments at Net Asset Value:
Common Collective Trusts					37,152						37,196
Total Investments at Fair Value						$51,114						$50,970

Schedule of Expected Benefit Payments

Expected benefit payments for the next 10 years are as follows:

	Pension Benefits		Postretirement Benefits
2017		$3,196		$30
2018	3,329		33
2019	3,497		35
2020	3,716		38
2021	3,819		41
2022 - 2026	21,254		249