The aggregate amount assigned to a major class of finite and indfinite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

No definition available.

Acquisitions (Purchase Price Allocation) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 27, 2015	Jun. 26, 2015	Dec. 26, 2014
Purchase Price Allocation
Goodwill		$ 403,529	$ 292,574
Identifiable Intangible Assets
Customer relationships		176,500	124,480
Customer relationships
Identifiable Intangible Assets
Customer relationships		164,091	113,862
Trade names
Identifiable Intangible Assets
Trade names		67,734	$ 51,798
HiP
Purchase Price Allocation
Cash and cash equivalents		1,904
Accounts receivable		4,714
Inventories		7,605
Other current assets		69
Property, plant and equipment and other		1,962
Deferred income taxes		1,840
Identifiable intangible assets		60,100
Goodwill		86,149
Total assets acquired		164,343
Liabilities assumed		(3,414)
Net assets acquired		160,929
Goodwill Period Increase (Decrease)		500
Identifiable Intangible Assets
Customer relationships		47,100
Trade names		13,000
Total identifiable intangible assets		$ 60,100
HiP \| Customer relationships
Identifiable Intangible Assets
Estimated Life (years)		12 years
White Knight
Purchase Price Allocation
Net tangible assets		$ 3,000
Identifiable intangible assets		9,000
Goodwill		$ 12,000
Alco
Purchase Price Allocation
Goodwill Period Increase (Decrease)	$ 4,000