Employee Benefit Plans (Tables)

12 Months Ended

Dec. 27, 2014

Dec. 28, 2013

Schedule of obligations and funded status

The following tables provide a reconciliation of benefit obligations and plan assets of the Company's pension plans and supplemental post-retirement benefit plans:



	Pension Benefits						Supplemental Retirement Benefits
	December 27, 2014			December 28, 2013			December 27, 2014			December 28, 2013
	(in thousands)
Change in projected benefit obligations:
Benefit obligation at beginning of year	$	286,212		$	283,063		$	29,498		$	27,372
Service cost	3,397			3,368			758			643
Interest cost	12,822			11,273			1,009			708
Benefit payments	(9,002		)	(8,300		)	(722		)	(726		)
Actuarial loss (gain)	50,550			(4,276		)	1,703			1,501
Administrative expenses paid	(459		)	(308		)	—			—
Effect of foreign exchange	(16,636		)	1,392			—			—
Benefit obligation at end of year	326,884			286,212			32,246			29,498
Change in fair value of plan assets:
Fair value of plan assets at beginning of year	272,659			238,672			—			—
Actual return on plan assets	25,630			30,820			—			—
Employer contributions	6,874			9,570			722			726
Benefit payments	(9,002		)	(8,300		)	(722		)	(726		)
Premiums paid	(459		)	(308		)	—			—
Effect of foreign exchange	(14,412		)	2,205			—			—
Fair value of plan assets at end of year	$	281,290		$	272,659		$	—		$	—

Net balance sheet liability	$	45,594		$	13,553		$	32,246		$	29,498

Amounts recognized in balance sheet:
Non-current assets	$	61		$	2,738		$	—		$	—
Current liabilities	169			72			744			789
Non-current liabilities	45,486			16,219			31,502			28,709

Schedule of amounts recognized as part of accumulated other comprehensive income

Amounts recognized in accumulated other comprehensive income:



	Pension Benefits						Supplemental Retirement Benefits
	Fiscal Year Ended						Fiscal Year Ended
	December 27, 2014			December 28, 2013			December 27, 2014		December 28, 2013
	(in thousands)
Net actuarial loss	$	73,433		$	35,481		$	5,761	$	4,307
Net prior service cost (credit)	(5,388		)	(6,338		)	—		660
Net amount recognized	$	68,045		$	29,143		$	5,761	$	4,967

Schedule of defined benefit plans with accumulated benefit obligation in excess of plan assets

The accumulated benefit obligation and fair value of plan assets for the Company plans with accumulated benefit obligations in excess of plan assets are as follows:



	Pension Benefits				Supplemental Retirement Benefits
	December 27, 2014		December 28, 2013		December 27, 2014		December 28, 2013
	(in thousands)
Accumulated benefit obligation	$	299,127	$	81,117	$	29,994	$	27,938
Fair value of plan assets	267,026		68,430		—		—

Schedule of defined benefit plans with projected benefit obligations in excess of plan assets

The projected benefit obligation and fair value of plan assets for the Company plans with projected benefit obligations in excess of plan assets are as follows:



	Pension Benefits				Supplemental Retirement Benefits
	December 27, 2014		December 28, 2013		December 27, 2014		December 28, 2013
	(in thousands)
Projected benefit obligation	$	326,731	$	99,671	$	32,246	$	29,498
Fair value of plan assets	281,075		83,379		—		—

Schedule of amounts in AOCI expected to be recognized as components of net periodic benefit cost over the next fiscal year

The amounts in accumulated other comprehensive income expected to be recognized as components of net periodic benefit cost over the next fiscal year are as follows:



	Pension Benefits			Supplemental Retirement Benefits
	(in thousands)
Amortization of net actuarial loss	$	3,227		$	269
Amortization of net prior service credit	(602		)	—

Components of net periodic benefit cost for defined benefit plans

Components of net periodic benefit cost:



	Pension Benefits									Supplemental Retirement Benefits
	Fiscal Year Ended									Fiscal Year Ended
	December 27, 2014			December 28, 2013			December 29, 2012			December 27, 2014		December 28, 2013		December 29, 2012
	(in thousands)
Service cost	$	3,397		$	3,368		$	3,729		$	758	$	643	$	640
Interest cost	12,822			11,273			11,289			1,009		708		892
Expected return on plan assets	(17,444		)	(14,672		)	(13,799		)	—		—		—
Amortization of prior service cost (credit)	961			2,711			2,461			250		249		260
Amortization of net loss (gain)	(637		)	(603		)	(609		)	660		660		660
Net periodic cost (benefit)	$	(901	)	$	2,077		$	3,071		$	2,677	$	2,260	$	2,452

Schedule of weighted-average assumptions

Weighted-average assumptions used to determine projected benefit obligations:



	Pension Benefits				Supplemental Retirement Benefits
	December 27, 2014		December 28, 2013		December 27, 2014		December 28, 2013
Discount rate	3.79	%	4.54	%	3.34	%	3.47	%
Rate of compensation increase	3.19	%	3.39	%	3.00	%	3.00	%

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



	Pension Benefits						Supplemental Retirement Benefits
	December 27, 2014		December 28, 2013		December 29, 2012		December 27, 2014		December 28, 2013		December 29, 2012
Discount rate	4.54	%	4.13	%	4.47	%	3.47	%	2.63	%	3.42	%
Expected long-term return on plan assets	6.41	%	6.27	%	6.55	%	—		—		—
Rate of compensation increase	3.39	%	3.04	%	3.12	%	3.00	%	2.50	%	2.50	%

Defined Benefit Plan, Additional Disclosures about Plan Assets

The fair value of the Company's pension plan assets by asset category are as follows:



	December 27, 2014								December 28, 2013
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
	(in thousands)
Cash	$	1	$	—	$	—	$	1	$	1,004	$	—	$	—	$	1,004
Equity securities^(a)	80,692		5,126		—		85,818		97,857		5,059		—		102,916
Debt securities^(b)	69,716		3,232		—		72,948		62,717		3,487		—		66,204
Mutual funds^(c)	67,079		53,330		—		120,409		65,152		35,610		—		100,762
Other	297		46		1,771		2,114		299		48		1,426		1,773
Total	$	217,785	$	61,734	$	1,771	$	281,290	$	227,029	$	44,204	$	1,426	$	272,659


(a)	This category comprises equity securities held by non-U.S. pension plans valued at the quoted closing price, and translated into U.S. dollars using a foreign currency exchange rate at year end.


(b)	This category comprises debt securities held by non-U.S. pension plans valued at the quoted closing price, and translated into U.S. dollars using a foreign currency exchange rate at year end.


(c)	This category comprises mutual funds valued at the net asset value of shares held at year end.

Schedule of Level 3 plan asset rollforward

Schedule of estimated future benefit payments



	Pension Benefits		Supplemental Retirement Benefits
	(in thousands)
2015	$	6,811	$	759
2016	6,832		13,090
2017	7,194		740
2018	8,384		727
2019	8,700		7,147
2020-2024	57,116		11,286