Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Deferred tax assets:
Federal net operating loss carryforwards	$ 6,382	$ 13,406
Compensation related	25,321	20,038
Accrued retirement benefits	6,234	7,105
Inventory reserves	5,971	5,241
Product liability and workers compensation reserves	7,902	6,351
Warranty reserves	7,139	5,122
Receivable related reserves	2,222	2,192
UNICAP	5,123	2,425
State net operating loss carryforwards	785	509
Interest rate swap	419	964
Other	12,091	10,501
Gross deferred tax assets	79,589	73,854
Valuation allowance	(466)	(740)
Deferred tax assets	79,123	73,114
Deferred tax liabilities:
Intangible assets	(82,188)	(68,568)
Foreign tax earnings repatriation	(2,552)	(2,005)
LIFO reserves	(22)	(72)
Depreciation	(1,724)	(1,794)
Other	(2,092)	(2,148)
Deferred tax liabilities	(88,578)	(74,587)
Net deferred tax assets (liabilities)	(9,455)	(1,473)
Current deferred asset	50,337	43,365
Long-term deferred liability	1,641	0
Deferred Tax Liabilities, Net, Noncurrent	$ (61,433)	$ (44,838)