Commitments and Contingencies (Tables)

12 Months Ended

Dec. 30, 2016

Commitments and Contingencies

Schedule of commercial commitments outstanding

	Amount of Commitment Expiration Per Period
	Less than								Total Amount
($ in thousands)	1 Year		1-3 Years		4-5 Years		Over 5 Years		Committed
Letters of credit	$	47,808	$	44,050	$	6,231	$	27,706	$	125,795
Bank guarantees		7,724		615		51		—		8,390
Surety and bid bonds		765,180		35,397		67		—		800,644
Total	$	820,712	$	80,062	$	6,349	$	27,706	$	934,829