Employee Benefit Plans (Tables)

12 Months Ended

Jan. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Funded Status

The following tables provide a reconciliation of benefit obligations, plan assets and funded status of the pension and other postretirement benefit plans as of the measurement date:

	January 31,
	Pension Benefits						Other Postretirement Benefits
(in thousands)	2015			2014			2015			2014
Change in benefit obligation:
Benefit obligation at beginning of year	$	615,870		$	631,538		$	54,723		$	65,723
Service cost	16,894			19,127			2,327			2,791
Interest cost	28,253			27,005			2,646			2,762
Participants' contributions	—			—			1,468			1,638
Amendments	817			—			—			—
MMA retiree drug subsidy	—			—			119			97
Actuarial loss (gain)	202,345			(40,130		)	34,867			(15,131		)
Benefits paid	(20,247		)	(19,794		)	(3,262		)	(3,157		)
Translation	(2,232		)	(1,876		)	—			—
Benefit obligation at end of year	841,700			615,870			92,888			54,723
Change in plan assets:
Fair value of plan assets at beginning of year	397,430			331,181			—			—
Actual return on plan assets	26,104			53,276			—			—
Employer contribution	2,758			32,767			1,675			1,422
Participants' contributions	—			—			1,468			1,638
MMA retiree drug subsidy	—			—			119			97
Benefits paid	(20,247		)	(19,794		)	(3,262		)	(3,157		)
Fair value of plan assets at end of year	406,045			397,430			—			—
Funded status at end of year	$	(435,655	)	$	(218,440	)	$	(92,888	)	$	(54,723	)

Schedule of Accumulated and Projected Benefit Obligations

The following tables provide additional information regarding the Company's pension plans' projected benefit obligations and assets (included in pension benefits in the table above) and accumulated benefit obligation:

	January 31, 2015
(in thousands)	Qualified			Excess/SRIP			Other			Total
Projected benefit obligation	$	693,350		$	133,136		$	15,214		$	841,700
Fair value of plan assets	406,045			—			—			406,045
Funded status	$	(287,305	)	$	(133,136	)	$	(15,214	)	$	(435,655	)
Accumulated benefit obligation	$	620,632		$	97,425		$	12,590		$	730,647

	January 31, 2014
(in thousands)	Qualified			Excess/SRIP			Other			Total
Projected benefit obligation	$	501,178		$	99,380		$	15,312		$	615,870
Fair value of plan assets	397,430			—			—			397,430
Funded status	$	(103,748	)	$	(99,380	)	$	(15,312	)	$	(218,440	)
Accumulated benefit obligation	$	450,255		$	70,847		$	12,814		$	533,916

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Loss

	January 31,
(in thousands)	2015			2014
Accumulated other comprehensive (loss) earnings, net of tax:
Foreign currency translation adjustments	$	(76,284	)	$	16,846
Unrealized gain on marketable securities	1,912			2,677
Deferred hedging loss	(5,399		)	(6,607		)
Net unrealized loss on benefit plans	(210,691		)	(71,464		)
	$	(290,462	)	$	(58,548	)

Amounts recognized in accumulated other comprehensive loss consist of:

	January 31,
	Pension Benefits				Other Postretirement Benefits
(in thousands)	2015		2014		2015			2014
Net actuarial loss (gain)	$	311,216	$	124,542	$	32,370		$	(2,477	)
Prior service cost (credit)	872		661		(3,725		)	(4,398		)
Total before tax	$	312,088	$	125,203	$	28,645		$	(6,875	)

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

The estimated pre-tax amount that will be amortized from accumulated other comprehensive loss into net periodic benefit cost within the next 12 months is as follows:

(in thousands)	Pension Benefits			Other Postretirement Benefits
Net actuarial loss	$	29,690		$	1,590
Prior service credit	(7		)	(687		)
	$	29,683		$	903

Schedule of Net Periodic Pension and Other Postretirement Benefit Expense

Components of Net Periodic Benefit Cost and

Other Amounts Recognized in Other Comprehensive Earnings

	Years Ended January 31,
	Pension Benefits									Other Postretirement Benefits
(in thousands)	2015			2014			2013			2015			2014			2013
Service cost	$	16,894		$	19,127		$	18,058		$	2,327		$	2,791		$	2,382
Interest cost	28,253			27,005			26,796			2,646			2,762			2,839
Expected return on plan assets	(23,630		)	(22,240		)	(20,416		)	—			—			—
Amortization of prior service cost	273			972			1,015			(673		)	(659		)	(659		)
Amortization of net loss	13,124			19,010			15,964			20			212			29
Net periodic benefit cost	34,914			43,874			41,417			4,320			5,106			4,591
Net actuarial loss (gain)	199,802			(71,179		)	34,080			34,867			(15,131		)	440
Recognized actuarial loss	(13,124		)	(19,005		)	(15,964		)	(20		)	(212		)	(29		)
Prior service cost	477			—			—			—			—			—
Recognized prior service (cost) credit	(266		)	(972		)	(1,015		)	673			659			659
Total recognized in other comprehensive earnings	186,889			(91,156		)	17,101			35,520			(14,684		)	1,070
Total recognized in net periodic benefit cost and other comprehensive earnings	$	221,803		$	(47,282	)	$	58,518		$	39,840		$	(9,578	)	$	5,661

Schedule of Assumptions Used

Weighted-average assumptions used to determine benefit obligations:

	January 31,
	2015		2014
Discount rate:
Qualified Plan	3.75	%	4.75	%
Excess Plan/SRIP	3.75	%	5.00	%
Other Plans	1.12	%	1.25	%
Other Postretirement Benefits	3.50	%	5.00	%
Rate of increase in compensation:
Qualified Plan	2.75	%	2.75	%
Excess Plan	4.25	%	4.25	%
SRIP	7.25	%	7.25	%
Other Plans	1.22	%	1.00	%

Weighted-average assumptions used to determine net periodic benefit cost:

	Years Ended January 31,
	2015		2014		2013
Discount rate:
Qualified Plan	4.75	%	4.50	%	5.00	%
Excess Plan/SRIP	5.00	%	4.50	%	5.00	%
Other Plans	1.81	%	1.25	%	1.50	%
Other Postretirement Benefits	5.00	%	4.50	%	5.25	%
Expected return on plan assets	7.50	%	7.50	%	7.50	%
Rate of increase in compensation:
Qualified Plan	2.75	%	2.75	%	2.75	%
Excess Plan	4.25	%	4.25	%	4.25	%
SRIP	7.25	%	7.25	%	7.25	%
Other Plans	1.33	%	1.00	%	1.00	%

Fair Value Of Companys Qualified Plan Assets

The fair value of the Qualified Plan's assets at January 31, 2015 and 2014 by asset category is as follows:

	Fair Value at		Fair Value Measurements Using Inputs Considered as*
(in thousands)	January 31, 2015		Level 1		Level 2		Level 3
Equity securities:
Common/collective trusts a	$	288,480	$	—	$	288,480	$	—
Fixed income securities:
Government bonds	27,714		23,603		4,111		—
Corporate bonds	33,882		—		33,882		—
Mortgage obligations	37,012		—		37,012		—
Other types of investments:
Limited partnerships	18,957		—		—		18,957
	$	406,045	$	23,603	$	363,485	$	18,957
	Fair Value at		Fair Value Measurements Using Inputs Considered as*
(in thousands)	January 31, 2014		Level 1		Level 2		Level 3
Equity securities:
Common/collective trusts a	$	293,484	$	—	$	293,484	$	—
Fixed income securities:
Government bonds	28,773		24,428		4,345		—
Corporate bonds	28,318		—		28,318		—
Mortgage obligations	32,457		—		32,457		—
Other types of investments:
Limited partnerships	14,398		—		—		14,398
	$	397,430	$	24,428	$	358,604	$	14,398

* See "Note I - Fair Value of Financial Instruments" for a description of the levels of inputs.

^a  Common/collective trusts include investments in U.S. and international large, middle and small capitalization equities.

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The changes in fair value of the Qualified Plan's Level 3 assets is as follows:

(in thousands)	Limited partnerships
January 31, 2013	$	14,655
Unrealized loss, net	(313		)
Realized gain, net	1,643
Purchases	1,856
Settlements	(3,443		)
January 31, 2014	14,398
Unrealized gain, net	1,376
Realized gain, net	633
Purchases	5,609
Settlements	(3,059		)
January 31, 2015	$	18,957

Schedule of Expected Benefit Payments

The Company expects the following future benefit payments to be paid:

Years Ending January 31,	Pension Benefits (in thousands)		Other Postretirement Benefits (in thousands)
2016	$	20,610	$	1,734
2017	21,596		1,741
2018	23,711		1,760
2019	24,661		1,772
2020	25,548		1,821
2021-2025	162,567		10,707