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Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Long-term debt, net	$ 907,756	$ 715,457
Less current maturities	(16,659)	(65,923)
Total Long-term debt	924,415	781,380
Private Placement Facilities [Member]
Debt Instrument [Line Items]
Total Long-term debt	535,295	342,857
U.S. trade accounts receivable securitization [Member]
Debt Instrument [Line Items]
Total Long-term debt	350,000	350,000
Notes payable to banks [Member]
Debt Instrument [Line Items]
Total Long-term debt	0	$ 47,957
Debt instrument, interest rate, weighted-average percentage		21.37%
Various collateralized and uncollateralized long-term loans payable with interest, in varying installments [Member]
Debt Instrument [Line Items]
Total Long-term debt	$ 34,027	$ 35,150
Various collateralized and uncollateralized long-term loans payable with interest, in varying installments [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	2.56%	2.56%
Various collateralized and uncollateralized long-term loans payable with interest, in varying installments [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	12.90%	12.90%
Capital lease obligations [Member]
Debt Instrument [Line Items]
Total Long-term debt	$ 5,093	$ 5,416
Capital lease obligations [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	0.84%
Capital lease obligations [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	19.79%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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