Employee Retirement Plans (Tables)

12 Months Ended

Dec. 30, 2016

Pension and Other Postretirement Benefits

Schedule of actuarial assumptions used to compute the net periodic expense


	U.S. Pension			Non-U.S.
	Plans			Pension Plans
	2016	2015	2014	2016	2015	2014
Discount rate	4.90%	4.30%	5.10%	3.70%	3.60%	4.40%
Expected long‑term rate of return on plan assets	6.25%	6.75%	6.75%	4.89%	4.17%	4.86%
Rate of compensation increase	3.30%	3.30%	3.30%	3.70%	3.65%	4.00%

Schedule of components of the net periodic pension (income) expense


	U.S. Pension Plans						Non-U.S. Pension Plans
	December 30,		December 25,		December 31,		December 30,		December 25,		December 31,
($ in thousands)	2016		2015		2014		2016		2015		2014
Service cost	$	2,698	$	3,450	$	3,132	$	5,298	$	3,522	$	3,296
Interest cost		11,679		11,241		10,941		36,971		43,714		50,278
Expected return on plan assets		(11,817)		(13,248)		(11,683)		(33,816)		(31,460)		(36,420)
Amortization of prior service credits		(577)		(766)		(766)		(2,371)		—		—
Recognized net actuarial loss		6,704		7,465		4,598		3,964		3,941		1,199
Gain on curtailment		(4,567)		—		—		—		—		—
Gain on settlements		—		—		—		(1,235)		—		—
Other Adjustments		—		—		—		—		(113)		—
Net expense included in current income	$	4,120	$	8,142	$	6,222	$	8,811	$	19,604	$	18,353

Schedule of significant actuarial weighted average assumptions used to compute the benefit obligations for the plans


	U.S. Pension Plans		Non-U.S. Pension Plans
	2016	2015	2016	2015
Discount rate	4.30%	4.90%	2.60%	3.70%
Rate of compensation increase	3.50%	3.30%	4.10%	3.70%

Schedule of change in benefit obligation for the pension, non-qualified pension and post-retirement benefit plans and change in plan assets for the pension plans


	U.S. Pension Plans				Non-U.S. Pension Plans
	December 30,		December 25,		December 30,		December 25,
($ in thousands)	2016		2015		2016		2015
Benefit obligation at beginning of year	$	248,932	$	268,457	$	1,174,603	$	1,236,543
Service cost		2,698		3,450		5,298		3,522
Interest cost		11,679		11,241		36,971		43,714
Actuarial loss (gain), net		16,146		(19,572)		324,962		(27,194)
Participant contributions		—		—		279		317
Benefits paid		(13,934)		(14,759)		(36,542)		(39,397)
Plan amendments		—		115		(362,280)		(113)
Curtailment		(2,961)		—		—		—
Settlements		—		—		(34,537)		—
Addition of significant end-of-service benefit plans		—		—		—		8,704
Currency translation		—		—		(199,369)		(51,493)
Benefit obligation at end of year	$	262,560	$	248,932	$	909,385	$	1,174,603
Plan assets at beginning of year	$	187,299	$	196,061	$	751,878	$	776,737
Actual return on plan assets		8,921		(5,009)		124,059		19,390
Company contributions		12,295		11,006		141,698		28,070
Participant contributions		—		—		279		317
Benefits paid		(13,934)		(14,759)		(36,542)		(39,397)
Settlements		—		—		(32,383)		—
Currency translation		—		—		(162,491)		(33,239)
Fair value of plan assets at end of year	$	194,581	$	187,299	$	786,498	$	751,878

Schedule of expected benefit payments


	U.S. Pension		Non-U.S.
($ in thousands)	Plans		Pension Plans
2017	$	16,594	$	37,303
2018		16,758		36,753
2019		16,837		37,702
2020		16,910		38,033
2021		17,592		38,241
Thereafter		86,226		201,493
	$	170,917	$	389,525

Schedule of target allocation and weighted-average asset allocations for the defined benefit pension plans by asset category


	Target	U.S. Pension Plans		Non-U.S. Pension Plans
	Allocation	2016	2015	2016	2015
Equity securities	52%	45%	47%	33%	35%
Debt securities	48%	53%	44%	50%	56%
Other	0%	2%	9%	17%	9%
Total	100%	100%	100%	100%	100%

Summary of the fair values of defined benefit pension plan assets by major asset category


	U.S. Pension Plans
			Quoted Prices in		Significant Other		Significant
			Active Markets		Observable Inputs		Unobservable Inputs
($ in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
December 30, 2016
Cash and cash equivalents	$	2,833	$	2,833	$	—	$	—
Investment funds:
Equity funds		87,173		31,074		56,099		—
Fixed income securities		104,575		70,590		33,985		—
Total	$	194,581	$	104,497	$	90,084	$	—
December 25, 2015
Cash and cash equivalents	$	2,369	$	2,369	$	—	$	—
Investment funds:
Equity funds		88,176		29,829		58,347		—
Fixed income securities		96,754		62,147		34,607		—
Total	$	187,299	$	94,345	$	92,954	$	—


	Non-U.S. Pension Plans
			Quoted Prices in		Significant Other		Significant
			Active Markets		Observable Inputs		Unobservable Inputs
($ in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
December 30, 2016
Cash and cash equivalents	$	92,624	$	80,538	$	12,086	$	—
Investment funds:
Equity funds		229,261		—		229,261		—
Fixed income securities		367,862		—		367,862		—
International property fund		3,326		—		3,326		—
Other		25,648		—		25,648		—
Total investments in the fair value hierarchy	$	718,721	$	80,538	$	638,183	$	—
Investments measured at net asset value		67,777
Total investment asset fair value measurement	$	786,498	$	80,538	$	638,183	$	—
December 25, 2015
Cash and cash equivalents	$	34,673	$	7,719	$	26,954	$	—
Investment funds:
Equity funds		231,931		—		231,931		—
Fixed income securities		386,770		—		386,770		—
International property fund		3,549		—		3,549		—
Other		19,637		—		19,637		—
Total investments in the fair value hierarchy	$	676,560	$	7,719	$	668,841	$	—
Investments measured at net asset value		75,318
Total investment asset fair value measurement	$	751,878	$	7,719	$	668,841	$	—

Schedule of underfunded status of the pension, non-qualified pension and post-retirement benefit plans


					Non-U.S.
	U.S. Pension Plans				Pension Plans
($ in thousands)	2016		2015		2016		2015
Projected benefit obligation	$	262,560	$	248,932	$	909,385	$	1,174,603
Fair value of plan assets		194,581		187,299		786,498		751,878
Overfunded status		—		—		2,493		2,906
Underfunded status	$	(67,979)	$	(61,633)	$	(125,380)	$	(425,631)
Amounts recognized in accumulated other comprehensive income consist of:
Net actuarial loss	$	88,066	$	78,689	$	342,227	$	173,196
Net prior service credits		(323)		(5,468)		(312,834)		—
Total	$	87,743	$	73,221	$	29,393	$	173,196
Amounts to be recognized in the following year as a component of net periodic pension expense:
Net actuarial loss	$	7,630	$	6,513	$	10,244		2,885
Net prior service credits		(53)		(752)		(9,795)		—
Total	$	7,577	$	5,761	$	449		2,885
Additional information:
Accumulated benefit obligation	$	261,880	$	245,726	$	904,747	$	1,166,501

Postretirement Benefit Plans

Pension and Other Postretirement Benefits

Schedule of actuarial assumptions used to compute the net periodic expense

Non-Qualified Pension Plan

Postretirement Benefit Plans

December 30,

December 25,

December 31,

December 30,

December 25,

December 31,

2016

2015

2014

2016

2015

2014

Actuarial assumptions at beginning of year:

Discount rate

4.9%

4.3%

5.1%

4.9%

4.3%

5.1%

Initial healthcare costs trend rate

Ultimate healthcare cost trend rate

Year ultimate trend rate is reached

na—not applicable

Schedule of components of the net periodic pension (income) expense


	Non-Qualified						Postretirement
	Pension Plan						Benefit Plans
($ in thousands)	2016		2015		2014		2016		2015		2014
Service cost	$	—	$	—	$	—	$	826	$	967	$	1,058
Interest cost		53		58		78		1,988		2,098		2,195
Amortization of prior service credits		—		—		—		(384)		(29)		(29)
Recognized net actuarial loss (gain)		—		1		—		(12)		(8)		(11)
Net expense included in current income	$	53	$	59	$	78	$	2,418	$	3,028	$	3,213

Schedule of change in benefit obligation for the pension, non-qualified pension and post-retirement benefit plans and change in plan assets for the pension plans


	Non-Qualified				Postretirement
	Pension Plan				Benefit Plans
($ in thousands)	2016		2015		2016		2015
Benefit obligation at beginning of year	$	1,227	$	1,499	$	41,908	$	50,340
Service cost		—		—		826		967
Interest cost		53		58		1,988		2,098
Participant contributions		—		—		1,070		2,246
Actuarial loss (gain)		(72)		(41)		(2,940)		(5,597)
Plan amendments		—		—		—		(2,417)
Benefits paid		(268)		(289)		(3,907)		(5,729)
Benefit obligation at end of year	$	940	$	1,227	$	38,945	$	41,908

Schedule of expected benefit payments


	Non-Qualified		Postretirement
($ in thousands)	Pension Plan		Benefit Plans
2017	$	89	$	2,471
2018		87		2,545
2019		85		2,637
2020		83		2,751
2021		80		2,864
2022-2026		359		14,325
	$	783	$	27,593

Schedule of underfunded status of the pension, non-qualified pension and post-retirement benefit plans


	Non-Qualified				Postretirement
	Pension Plan				Benefit Plans
($ in thousands)	2016		2015		2016		2015
Projected benefit obligation	$	940	$	1,227	$	—	$	—
Accumulated benefit obligation		—		—		38,945		41,908
Underfunded status	$	(940)	$	(1,227)	$	(38,945)	$	(41,908)
Amounts recognized in accumulated other comprehensive income consist of:
Net actuarial loss (gain)	$	45	$	117	$	(6,405)	$	(3,476)
Net prior service credit		—		—		(2,235)		(2,618)
Total	$	45	$	117	$	(8,640)	$	(6,094)
Amounts to be recognized in the following year as a component of net periodic cost:
Net actuarial gain	$	—	$	—	$	(285)	$	(13)
Net prior service credit		—		—		(383)		(384)
Total	$	—	$	—	$	(668)	$	(397)