Leasing Arrangements - Minimum Contractual Commitments under Long-Term Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014
Leases [Abstract]
2015, Operating Leases	$ 5,048
2016, Operating Leases	4,061
2017, Operating Leases	3,223
2018, Operating Leases	2,018
2019, Operating Leases	1,469
2015, Royalty Agreements	3,303
2016, Royalty Agreements	4,711
2017, Royalty Agreements	4,973
2018, Royalty Agreements	4,522
2019, Royalty Agreements	$ 4,265

Royalty agreement future minimum payments due current.

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- Definition

Royalty agreement future minimum payments due in five years.

+ References

No definition available.

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- Definition

Royalty agreement future minimum payments due in four years.

+ References

No definition available.

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- Definition

Royalty agreement future minimum payments due in three years.

+ References

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Royalty agreement future minimum payments due in two years.

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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