Operating Segments (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 28, 2013 item	Sep. 29, 2012	Sep. 24, 2011	Sep. 25, 2010	Sep. 26, 2009
Operating Segments
Number of operating segments	2
Segment information
Net sales	$ 274,919	$ 261,320	$ 259,375
Operating income (loss)	18,615	15,070	(21)
Total assets	216,994	197,360	213,026
Goodwill, net	21,820	15,988	16,025	24,697	57,391
Depreciation	19,058	20,381	18,129
Amortization	4,468	4,679	5,033
Capital expenditures and prepublication costs	25,589	14,003	20,011
Interest expense, net	803	895	921
Export sales as a percentage of consolidated sales	23.00%	21.00%	20.00%
Receivables \| Credit concentration
Segment information
Concentration risk percentage	48.00%	43.00%
Book Manufacturing
Segment information
Net sales	247,406	233,040	230,229
Operating income (loss)	21,953	20,713	14,822
Total assets	177,313	155,487	169,758
Goodwill, net	21,820	15,988	16,025	16,289	16,289
Depreciation	17,865	19,317	17,061
Amortization	629	410	410
Capital expenditures and prepublication costs	21,294	8,661	15,128
Percentage of export sales in particular segment	95.00%	92.00%	90.00%
Book Manufacturing \| Sales \| Customer concentration
Segment information
Number of major customers	2
Book Manufacturing \| Sales \| Customer concentration \| Largest customer
Segment information
Concentration risk percentage	33.00%	30.00%	30.00%
Book Manufacturing \| Sales \| Customer concentration \| Another customer
Segment information
Concentration risk percentage	23.00%	25.00%	23.00%
Publishing
Segment information
Net sales	37,635	38,355	40,829
Operating income (loss)	(2,069)	(4,364)	(4,821)
Total assets	28,610	28,968	32,874
Goodwill, net				8,408	41,102
Depreciation	463	394	355
Amortization	3,839	4,269	4,623
Capital expenditures and prepublication costs	3,857	4,670	4,522
Unallocated
Segment information
Net sales	(10,122)	(10,075)	(11,683)
Operating income (loss)	(1,269)	(1,279)	(10,022)
Total assets	11,071	12,905	10,394
Depreciation	730	670	713
Capital expenditures and prepublication costs	438	672	361
Interest expense, net	$ 803	$ 895	$ 921

Represents the number of major customers of the entity.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business and also the cash outflow associated with the creation of a book or other media (the prepublication costs).

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Represents the percentage of export sales in a particular segment.

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Represents the export sales as a percentage of consolidated sales.

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The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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The net amount of nonoperating interest income (expense).

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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The net result for the period of deducting operating expenses from operating revenues.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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